From 0c0dec8207cfc90d06a1ad600f5b3a86fc7e5c60 Mon Sep 17 00:00:00 2001 From: "Jesse.zhang@amd.com" Date: Tue, 10 Dec 2024 14:00:15 +0800 Subject: [PATCH 01/16] drm/amdgpu/gfx12: clean up kcq reset code Replace kcq queue reset with existing function amdgpu_mes_reset_legacy_queue. Signed-off-by: Jesse Zhang Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c | 18 +++++------------- 1 file changed, 5 insertions(+), 13 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c index ad5c4a5c9557..50dca041d589 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c @@ -5236,24 +5236,16 @@ static int gfx_v12_0_reset_kgq(struct amdgpu_ring *ring, unsigned int vmid) static int gfx_v12_0_reset_kcq(struct amdgpu_ring *ring, unsigned int vmid) { struct amdgpu_device *adev = ring->adev; - int r, i; + int r; if (amdgpu_sriov_vf(adev)) return -EINVAL; - amdgpu_gfx_rlc_enter_safe_mode(adev, 0); - mutex_lock(&adev->srbm_mutex); - soc24_grbm_select(adev, ring->me, ring->pipe, ring->queue, 0); - WREG32_SOC15(GC, 0, regCP_HQD_DEQUEUE_REQUEST, 0x2); - WREG32_SOC15(GC, 0, regSPI_COMPUTE_QUEUE_RESET, 0x1); - for (i = 0; i < adev->usec_timeout; i++) { - if (!(RREG32_SOC15(GC, 0, regCP_HQD_ACTIVE) & 1)) - break; - udelay(1); + r = amdgpu_mes_reset_legacy_queue(ring->adev, ring, vmid, true); + if (r) { + dev_err(adev->dev, "reset via MMIO failed %d\n", r); + return r; } - soc24_grbm_select(adev, 0, 0, 0, 0); - mutex_unlock(&adev->srbm_mutex); - amdgpu_gfx_rlc_exit_safe_mode(adev, 0); r = amdgpu_bo_reserve(ring->mqd_obj, false); if (unlikely(r != 0)) { -- 2.51.0 From bcc263dea635e2d3cc96b2abb113843761af15ae Mon Sep 17 00:00:00 2001 From: "Jesse.zhang@amd.com" Date: Tue, 10 Dec 2024 14:01:39 +0800 Subject: [PATCH 02/16] drm/amdgpu/gfx11: clean up kcq reset code Replace kcq queue reset with existing function amdgpu_mes_reset_legacy_queue. Signed-off-by: Jesse Zhang Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c | 22 +++------------------- 1 file changed, 3 insertions(+), 19 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c index f72ca5e4a44b..37c552e06e5b 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c @@ -6650,30 +6650,14 @@ static int gfx_v11_0_reset_kgq(struct amdgpu_ring *ring, unsigned int vmid) static int gfx_v11_0_reset_kcq(struct amdgpu_ring *ring, unsigned int vmid) { struct amdgpu_device *adev = ring->adev; - int i, r = 0; + int r = 0; if (amdgpu_sriov_vf(adev)) return -EINVAL; - amdgpu_gfx_rlc_enter_safe_mode(adev, 0); - mutex_lock(&adev->srbm_mutex); - soc21_grbm_select(adev, ring->me, ring->pipe, ring->queue, 0); - WREG32_SOC15(GC, 0, regCP_HQD_DEQUEUE_REQUEST, 0x2); - WREG32_SOC15(GC, 0, regSPI_COMPUTE_QUEUE_RESET, 0x1); - - /* make sure dequeue is complete*/ - for (i = 0; i < adev->usec_timeout; i++) { - if (!(RREG32_SOC15(GC, 0, regCP_HQD_ACTIVE) & 1)) - break; - udelay(1); - } - if (i >= adev->usec_timeout) - r = -ETIMEDOUT; - soc21_grbm_select(adev, 0, 0, 0, 0); - mutex_unlock(&adev->srbm_mutex); - amdgpu_gfx_rlc_exit_safe_mode(adev, 0); + r = amdgpu_mes_reset_legacy_queue(ring->adev, ring, vmid, true); if (r) { - dev_err(adev->dev, "fail to wait on hqd deactivate\n"); + dev_err(adev->dev, "reset via MMIO failed %d\n", r); return r; } -- 2.51.0 From 3f6f237b9dd189e1fb85b8a3f7c97a8f27c1e49a Mon Sep 17 00:00:00 2001 From: Mario Limonciello Date: Tue, 10 Dec 2024 20:44:14 -0600 Subject: [PATCH 03/16] drm/amd: Update strapping for NBIO 2.5.0 This helps to avoid a spurious PME event on hotplug to Azalia. Cc: Vijendar Mukunda Reported-and-tested-by: ionut_n2001@yahoo.com Closes: https://bugzilla.kernel.org/show_bug.cgi?id=215884 Tested-by: Gabriel Marcano Acked-by: Alex Deucher Link: https://lore.kernel.org/r/20241211024414.7840-1-mario.limonciello@amd.com Signed-off-by: Mario Limonciello Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/nbio_v7_0.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v7_0.c b/drivers/gpu/drm/amd/amdgpu/nbio_v7_0.c index b1b57dcc5a73..49e953f86ced 100644 --- a/drivers/gpu/drm/amd/amdgpu/nbio_v7_0.c +++ b/drivers/gpu/drm/amd/amdgpu/nbio_v7_0.c @@ -271,8 +271,19 @@ const struct nbio_hdp_flush_reg nbio_v7_0_hdp_flush_reg = { .ref_and_mask_sdma1 = GPU_HDP_FLUSH_DONE__SDMA1_MASK, }; +#define regRCC_DEV0_EPF6_STRAP4 0xd304 +#define regRCC_DEV0_EPF6_STRAP4_BASE_IDX 5 + static void nbio_v7_0_init_registers(struct amdgpu_device *adev) { + uint32_t data; + + switch (adev->ip_versions[NBIO_HWIP][0]) { + case IP_VERSION(2, 5, 0): + data = RREG32_SOC15(NBIO, 0, regRCC_DEV0_EPF6_STRAP4) & ~BIT(23); + WREG32_SOC15(NBIO, 0, regRCC_DEV0_EPF6_STRAP4, data); + break; + } } #define MMIO_REG_HOLE_OFFSET (0x80000 - PAGE_SIZE) -- 2.51.0 From 40253e36e08a65619f85328272ee4eb420711b7e Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Tue, 10 Dec 2024 13:37:39 -0500 Subject: [PATCH 04/16] drm/amdgpu: add ip_dump support for vcn 5.0.1 Shared with vcn 5.0.0. Reviewed-by: David (Ming Qiang) Wu Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/vcn_v5_0_0.c | 35 +++++++++++++++---------- drivers/gpu/drm/amd/amdgpu/vcn_v5_0_0.h | 5 ++++ drivers/gpu/drm/amd/amdgpu/vcn_v5_0_1.c | 7 +++++ drivers/gpu/drm/amd/amdgpu/vcn_v5_0_1.h | 8 ------ 4 files changed, 33 insertions(+), 22 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v5_0_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v5_0_0.c index 097b9ad1721f..b6d78381ebfb 100644 --- a/drivers/gpu/drm/amd/amdgpu/vcn_v5_0_0.c +++ b/drivers/gpu/drm/amd/amdgpu/vcn_v5_0_0.c @@ -105,6 +105,21 @@ static int vcn_v5_0_0_early_init(struct amdgpu_ip_block *ip_block) return amdgpu_vcn_early_init(adev); } +void vcn_v5_0_0_alloc_ip_dump(struct amdgpu_device *adev) +{ + uint32_t reg_count = ARRAY_SIZE(vcn_reg_list_5_0); + uint32_t *ptr; + + /* Allocate memory for VCN IP Dump buffer */ + ptr = kcalloc(adev->vcn.num_vcn_inst * reg_count, sizeof(uint32_t), GFP_KERNEL); + if (!ptr) { + DRM_ERROR("Failed to allocate memory for VCN IP Dump\n"); + adev->vcn.ip_dump = NULL; + } else { + adev->vcn.ip_dump = ptr; + } +} + /** * vcn_v5_0_0_sw_init - sw init for VCN block * @@ -117,8 +132,6 @@ static int vcn_v5_0_0_sw_init(struct amdgpu_ip_block *ip_block) struct amdgpu_ring *ring; struct amdgpu_device *adev = ip_block->adev; int i, r; - uint32_t reg_count = ARRAY_SIZE(vcn_reg_list_5_0); - uint32_t *ptr; r = amdgpu_vcn_sw_init(adev); if (r) @@ -177,14 +190,7 @@ static int vcn_v5_0_0_sw_init(struct amdgpu_ip_block *ip_block) if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) adev->vcn.pause_dpg_mode = vcn_v5_0_0_pause_dpg_mode; - /* Allocate memory for VCN IP Dump buffer */ - ptr = kcalloc(adev->vcn.num_vcn_inst * reg_count, sizeof(uint32_t), GFP_KERNEL); - if (!ptr) { - DRM_ERROR("Failed to allocate memory for VCN IP Dump\n"); - adev->vcn.ip_dump = NULL; - } else { - adev->vcn.ip_dump = ptr; - } + vcn_v5_0_0_alloc_ip_dump(adev); r = amdgpu_vcn_sysfs_reset_mask_init(adev); if (r) @@ -1357,7 +1363,8 @@ static void vcn_v5_0_0_set_irq_funcs(struct amdgpu_device *adev) } } -static void vcn_v5_0_print_ip_state(struct amdgpu_ip_block *ip_block, struct drm_printer *p) +void vcn_v5_0_0_print_ip_state(struct amdgpu_ip_block *ip_block, + struct drm_printer *p) { struct amdgpu_device *adev = ip_block->adev; int i, j; @@ -1389,7 +1396,7 @@ static void vcn_v5_0_print_ip_state(struct amdgpu_ip_block *ip_block, struct drm } } -static void vcn_v5_0_dump_ip_state(struct amdgpu_ip_block *ip_block) +void vcn_v5_0_0_dump_ip_state(struct amdgpu_ip_block *ip_block) { struct amdgpu_device *adev = ip_block->adev; int i, j; @@ -1430,8 +1437,8 @@ static const struct amd_ip_funcs vcn_v5_0_0_ip_funcs = { .wait_for_idle = vcn_v5_0_0_wait_for_idle, .set_clockgating_state = vcn_v5_0_0_set_clockgating_state, .set_powergating_state = vcn_v5_0_0_set_powergating_state, - .dump_ip_state = vcn_v5_0_dump_ip_state, - .print_ip_state = vcn_v5_0_print_ip_state, + .dump_ip_state = vcn_v5_0_0_dump_ip_state, + .print_ip_state = vcn_v5_0_0_print_ip_state, }; const struct amdgpu_ip_block_version vcn_v5_0_0_ip_block = { diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v5_0_0.h b/drivers/gpu/drm/amd/amdgpu/vcn_v5_0_0.h index 51bbccd4360f..b8927652bc50 100644 --- a/drivers/gpu/drm/amd/amdgpu/vcn_v5_0_0.h +++ b/drivers/gpu/drm/amd/amdgpu/vcn_v5_0_0.h @@ -32,6 +32,11 @@ #define VCN_VID_IP_ADDRESS 0x0 #define VCN_AON_IP_ADDRESS 0x30000 +void vcn_v5_0_0_alloc_ip_dump(struct amdgpu_device *adev); +void vcn_v5_0_0_print_ip_state(struct amdgpu_ip_block *ip_block, + struct drm_printer *p); +void vcn_v5_0_0_dump_ip_state(struct amdgpu_ip_block *ip_block); + extern const struct amdgpu_ip_block_version vcn_v5_0_0_ip_block; #endif /* __VCN_V5_0_0_H__ */ diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v5_0_1.c b/drivers/gpu/drm/amd/amdgpu/vcn_v5_0_1.c index daca18bfff06..a076ffb3867a 100644 --- a/drivers/gpu/drm/amd/amdgpu/vcn_v5_0_1.c +++ b/drivers/gpu/drm/amd/amdgpu/vcn_v5_0_1.c @@ -33,6 +33,7 @@ #include "vcn/vcn_5_0_0_offset.h" #include "vcn/vcn_5_0_0_sh_mask.h" #include "ivsrcid/vcn/irqsrcs_vcn_5_0.h" +#include "vcn_v5_0_0.h" #include "vcn_v5_0_1.h" #include @@ -118,6 +119,8 @@ static int vcn_v5_0_1_sw_init(struct amdgpu_ip_block *ip_block) amdgpu_vcn_fwlog_init(&adev->vcn.inst[i]); } + vcn_v5_0_0_alloc_ip_dump(adev); + return 0; } @@ -151,6 +154,8 @@ static int vcn_v5_0_1_sw_fini(struct amdgpu_ip_block *ip_block) r = amdgpu_vcn_sw_fini(adev); + kfree(adev->vcn.ip_dump); + return r; } @@ -1094,6 +1099,8 @@ static const struct amd_ip_funcs vcn_v5_0_1_ip_funcs = { .post_soft_reset = NULL, .set_clockgating_state = vcn_v5_0_1_set_clockgating_state, .set_powergating_state = vcn_v5_0_1_set_powergating_state, + .dump_ip_state = vcn_v5_0_0_dump_ip_state, + .print_ip_state = vcn_v5_0_0_print_ip_state, }; const struct amdgpu_ip_block_version vcn_v5_0_1_ip_block = { diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v5_0_1.h b/drivers/gpu/drm/amd/amdgpu/vcn_v5_0_1.h index 6587879de458..82ac709f44bf 100644 --- a/drivers/gpu/drm/amd/amdgpu/vcn_v5_0_1.h +++ b/drivers/gpu/drm/amd/amdgpu/vcn_v5_0_1.h @@ -24,14 +24,6 @@ #ifndef __VCN_v5_0_1_H__ #define __VCN_v5_0_1_H__ -#define VCN_VID_SOC_ADDRESS 0x1FC00 -#define VCN_AON_SOC_ADDRESS 0x1F800 -#define VCN1_VID_SOC_ADDRESS 0x48300 -#define VCN1_AON_SOC_ADDRESS 0x48000 - -#define VCN_VID_IP_ADDRESS 0x0 -#define VCN_AON_IP_ADDRESS 0x30000 - extern const struct amdgpu_ip_block_version vcn_v5_0_1_ip_block; #endif /* __VCN_v5_0_1_H__ */ -- 2.51.0 From 4b842c852f09844b8d5bdd523254a2ae9c4a1a6f Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Tue, 10 Dec 2024 13:45:42 -0500 Subject: [PATCH 05/16] drm/amdgpu: add sysfs reset mask for vcn 5.0.1 Add the calls to the vcn 5.0.1 code. Reviewed-by: David (Ming Qiang) Wu Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/vcn_v5_0_1.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v5_0_1.c b/drivers/gpu/drm/amd/amdgpu/vcn_v5_0_1.c index a076ffb3867a..8b463c977d08 100644 --- a/drivers/gpu/drm/amd/amdgpu/vcn_v5_0_1.c +++ b/drivers/gpu/drm/amd/amdgpu/vcn_v5_0_1.c @@ -119,9 +119,13 @@ static int vcn_v5_0_1_sw_init(struct amdgpu_ip_block *ip_block) amdgpu_vcn_fwlog_init(&adev->vcn.inst[i]); } + /* TODO: Add queue reset mask when FW fully supports it */ + adev->vcn.supported_reset = + amdgpu_get_soft_full_reset_mask(&adev->vcn.inst[0].ring_enc[0]); + vcn_v5_0_0_alloc_ip_dump(adev); - return 0; + return amdgpu_vcn_sysfs_reset_mask_init(adev); } /** @@ -154,6 +158,8 @@ static int vcn_v5_0_1_sw_fini(struct amdgpu_ip_block *ip_block) r = amdgpu_vcn_sw_fini(adev); + amdgpu_vcn_sysfs_reset_mask_fini(adev); + kfree(adev->vcn.ip_dump); return r; -- 2.51.0 From f53758bc34bf2a64c681f9278dd57738f322d5c3 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Tue, 10 Dec 2024 16:28:20 -0500 Subject: [PATCH 06/16] drm/amdgpu/jpeg4.0.3: use num_jpeg_inst for SR-IOV They should be the same, but use the proper variable. Reviewed-by: Ruijing Dong Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/jpeg_v4_0_3.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0_3.c b/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0_3.c index fd0490934f91..88f9771c1686 100644 --- a/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0_3.c +++ b/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0_3.c @@ -321,7 +321,7 @@ static int jpeg_v4_0_3_hw_init(struct amdgpu_ip_block *ip_block) if (r) return r; - for (i = 0; i < adev->vcn.num_vcn_inst; ++i) { + for (i = 0; i < adev->jpeg.num_jpeg_inst; ++i) { for (j = 0; j < adev->jpeg.num_jpeg_rings; ++j) { ring = &adev->jpeg.inst[i].ring_dec[j]; ring->wptr = 0; -- 2.51.0 From e70ba4679540a4746ec66450967f01c52d21727c Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Tue, 10 Dec 2024 16:30:54 -0500 Subject: [PATCH 07/16] drm/amdgpu/jpeg5.0.1: use num_jpeg_inst for SR-IOV They should be the same, but use the proper variable. Reviewed-by: Ruijing Dong Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/jpeg_v5_0_1.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/jpeg_v5_0_1.c b/drivers/gpu/drm/amd/amdgpu/jpeg_v5_0_1.c index 8bfa400e7a87..40d4c32a8c2a 100644 --- a/drivers/gpu/drm/amd/amdgpu/jpeg_v5_0_1.c +++ b/drivers/gpu/drm/amd/amdgpu/jpeg_v5_0_1.c @@ -183,7 +183,7 @@ static int jpeg_v5_0_1_hw_init(struct amdgpu_ip_block *ip_block) if (amdgpu_sriov_vf(adev)) { /* jpeg_v5_0_1_start_sriov(adev); */ - for (i = 0; i < adev->vcn.num_vcn_inst; ++i) { + for (i = 0; i < adev->jpeg.num_jpeg_inst; ++i) { for (j = 0; j < adev->jpeg.num_jpeg_rings; ++j) { ring = &adev->jpeg.inst[i].ring_dec[j]; ring->wptr = 0; -- 2.51.0 From fe151ed7af5425c424a5735ef9fa3d02c828be7f Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Wed, 30 Oct 2024 17:27:23 -0400 Subject: [PATCH 08/16] drm/amdgpu: add generic display panic helper code Pull this out of Jocelyn's patch and make it generic. Reviewed-by: Harry Wentland Signed-off-by: Alex Deucher Cc: Lu Yao Cc: Jocelyn Falempe Cc: Harry Wentland --- drivers/gpu/drm/amd/amdgpu/amdgpu_display.c | 80 +++++++++++++++++++++ drivers/gpu/drm/amd/amdgpu/amdgpu_display.h | 5 ++ 2 files changed, 85 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c index b119d27271c1..35c778426a7c 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c @@ -33,6 +33,7 @@ #include "soc15_common.h" #include "gc/gc_11_0_0_offset.h" #include "gc/gc_11_0_0_sh_mask.h" +#include "bif/bif_4_1_d.h" #include #include @@ -1788,3 +1789,82 @@ int amdgpu_display_resume_helper(struct amdgpu_device *adev) return 0; } +/* panic_bo is set in amdgpu_dm_plane_get_scanout_buffer() and only used in amdgpu_dm_set_pixel() + * they are called from the panic handler, and protected by the drm_panic spinlock. + */ +static struct amdgpu_bo *panic_abo; + +/* Use the indirect MMIO to write each pixel to the GPU VRAM, + * This is a simplified version of amdgpu_device_mm_access() + */ +static void amdgpu_display_set_pixel(struct drm_scanout_buffer *sb, + unsigned int x, + unsigned int y, + u32 color) +{ + struct amdgpu_res_cursor cursor; + unsigned long offset; + struct amdgpu_bo *abo = panic_abo; + struct amdgpu_device *adev = amdgpu_ttm_adev(abo->tbo.bdev); + uint32_t tmp; + + offset = x * 4 + y * sb->pitch[0]; + amdgpu_res_first(abo->tbo.resource, offset, 4, &cursor); + + tmp = cursor.start >> 31; + WREG32_NO_KIQ(mmMM_INDEX, ((uint32_t) cursor.start) | 0x80000000); + if (tmp != 0xffffffff) + WREG32_NO_KIQ(mmMM_INDEX_HI, tmp); + WREG32_NO_KIQ(mmMM_DATA, color); +} + +int amdgpu_display_get_scanout_buffer(struct drm_plane *plane, + struct drm_scanout_buffer *sb) +{ + struct amdgpu_bo *abo; + struct drm_framebuffer *fb = plane->state->fb; + + if (!fb) + return -EINVAL; + + DRM_DEBUG_KMS("Framebuffer %dx%d %p4cc\n", fb->width, fb->height, &fb->format->format); + + abo = gem_to_amdgpu_bo(fb->obj[0]); + if (!abo) + return -EINVAL; + + sb->width = fb->width; + sb->height = fb->height; + /* Use the generic linear format, because tiling will be disabled in panic_flush() */ + sb->format = drm_format_info(fb->format->format); + if (!sb->format) + return -EINVAL; + + sb->pitch[0] = fb->pitches[0]; + + if (abo->flags & AMDGPU_GEM_CREATE_NO_CPU_ACCESS) { + if (abo->tbo.resource->mem_type != TTM_PL_VRAM) { + drm_warn(plane->dev, "amdgpu panic, framebuffer not in VRAM\n"); + return -EINVAL; + } + /* Only handle 32bits format, to simplify mmio access */ + if (fb->format->cpp[0] != 4) { + drm_warn(plane->dev, "amdgpu panic, pixel format is not 32bits\n"); + return -EINVAL; + } + sb->set_pixel = amdgpu_display_set_pixel; + panic_abo = abo; + return 0; + } + if (!abo->kmap.virtual && + ttm_bo_kmap(&abo->tbo, 0, PFN_UP(abo->tbo.base.size), &abo->kmap)) { + drm_warn(plane->dev, "amdgpu bo map failed, panic won't be displayed\n"); + return -ENOMEM; + } + if (abo->kmap.bo_kmap_type & TTM_BO_MAP_IOMEM_MASK) + iosys_map_set_vaddr_iomem(&sb->map[0], abo->kmap.virtual); + else + iosys_map_set_vaddr(&sb->map[0], abo->kmap.virtual); + + return 0; +} diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.h index 9d19940f73c8..dfa0d642ac16 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.h @@ -23,6 +23,8 @@ #ifndef __AMDGPU_DISPLAY_H__ #define __AMDGPU_DISPLAY_H__ +#include + #define amdgpu_display_vblank_get_counter(adev, crtc) (adev)->mode_info.funcs->vblank_get_counter((adev), (crtc)) #define amdgpu_display_backlight_set_level(adev, e, l) (adev)->mode_info.funcs->backlight_set_level((e), (l)) #define amdgpu_display_backlight_get_level(adev, e) (adev)->mode_info.funcs->backlight_get_level((e)) @@ -49,4 +51,7 @@ amdgpu_lookup_format_info(u32 format, uint64_t modifier); int amdgpu_display_suspend_helper(struct amdgpu_device *adev); int amdgpu_display_resume_helper(struct amdgpu_device *adev); +int amdgpu_display_get_scanout_buffer(struct drm_plane *plane, + struct drm_scanout_buffer *sb); + #endif -- 2.51.0 From 1fa5c5a3173581e22f01948aa9bed0251084c313 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Thu, 31 Oct 2024 13:17:06 -0400 Subject: [PATCH 09/16] drm/amd/display: add clear_tiling hubp callbacks This adds clear_tiling callbacks to the hubp structure that will be used for drm panic support to clear the tiling on a display. hubp3 support from Jocelyn's original patch and the rest from me. Reviewed-by: Harry Wentland Signed-off-by: Alex Deucher Cc: Lu Yao Cc: Jocelyn Falempe Cc: Harry Wentland --- .../drm/amd/display/dc/hubp/dcn10/dcn10_hubp.c | 15 +++++++++++++++ .../drm/amd/display/dc/hubp/dcn10/dcn10_hubp.h | 2 ++ .../drm/amd/display/dc/hubp/dcn20/dcn20_hubp.c | 15 +++++++++++++++ .../drm/amd/display/dc/hubp/dcn20/dcn20_hubp.h | 2 ++ .../amd/display/dc/hubp/dcn201/dcn201_hubp.c | 1 + .../drm/amd/display/dc/hubp/dcn21/dcn21_hubp.c | 1 + .../drm/amd/display/dc/hubp/dcn30/dcn30_hubp.c | 17 +++++++++++++++++ .../drm/amd/display/dc/hubp/dcn30/dcn30_hubp.h | 2 ++ .../drm/amd/display/dc/hubp/dcn31/dcn31_hubp.c | 1 + .../drm/amd/display/dc/hubp/dcn32/dcn32_hubp.c | 3 ++- .../drm/amd/display/dc/hubp/dcn35/dcn35_hubp.c | 1 + .../amd/display/dc/hubp/dcn401/dcn401_hubp.c | 15 ++++++++++++++- .../amd/display/dc/hubp/dcn401/dcn401_hubp.h | 2 ++ drivers/gpu/drm/amd/display/dc/inc/hw/hubp.h | 1 + 14 files changed, 76 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/hubp/dcn10/dcn10_hubp.c b/drivers/gpu/drm/amd/display/dc/hubp/dcn10/dcn10_hubp.c index 22ac2b7e49ae..f0ba944553df 100644 --- a/drivers/gpu/drm/amd/display/dc/hubp/dcn10/dcn10_hubp.c +++ b/drivers/gpu/drm/amd/display/dc/hubp/dcn10/dcn10_hubp.c @@ -518,6 +518,20 @@ bool hubp1_program_surface_flip_and_addr( return true; } +void hubp1_clear_tiling(struct hubp *hubp) +{ + struct dcn10_hubp *hubp1 = TO_DCN10_HUBP(hubp); + + REG_UPDATE(DCHUBP_REQ_SIZE_CONFIG, SWATH_HEIGHT, 0); + REG_UPDATE(DCSURF_TILING_CONFIG, SW_MODE, DC_SW_LINEAR); + + REG_UPDATE_4(DCSURF_SURFACE_CONTROL, + PRIMARY_SURFACE_DCC_EN, 0, + PRIMARY_SURFACE_DCC_IND_64B_BLK, 0, + SECONDARY_SURFACE_DCC_EN, 0, + SECONDARY_SURFACE_DCC_IND_64B_BLK, 0); +} + void hubp1_dcc_control(struct hubp *hubp, bool enable, enum hubp_ind_block_size independent_64b_blks) { @@ -1363,6 +1377,7 @@ static const struct hubp_funcs dcn10_hubp_funcs = { .hubp_disable_control = hubp1_disable_control, .hubp_get_underflow_status = hubp1_get_underflow_status, .hubp_init = hubp1_init, + .hubp_clear_tiling = hubp1_clear_tiling, .dmdata_set_attributes = NULL, .dmdata_load = NULL, diff --git a/drivers/gpu/drm/amd/display/dc/hubp/dcn10/dcn10_hubp.h b/drivers/gpu/drm/amd/display/dc/hubp/dcn10/dcn10_hubp.h index 69119b2fdce2..631350cd4f2e 100644 --- a/drivers/gpu/drm/amd/display/dc/hubp/dcn10/dcn10_hubp.h +++ b/drivers/gpu/drm/amd/display/dc/hubp/dcn10/dcn10_hubp.h @@ -794,4 +794,6 @@ void hubp1_soft_reset(struct hubp *hubp, bool reset); void hubp1_set_flip_int(struct hubp *hubp); +void hubp1_clear_tiling(struct hubp *hubp); + #endif diff --git a/drivers/gpu/drm/amd/display/dc/hubp/dcn20/dcn20_hubp.c b/drivers/gpu/drm/amd/display/dc/hubp/dcn20/dcn20_hubp.c index 0637e4c552d8..200194544bf0 100644 --- a/drivers/gpu/drm/amd/display/dc/hubp/dcn20/dcn20_hubp.c +++ b/drivers/gpu/drm/amd/display/dc/hubp/dcn20/dcn20_hubp.c @@ -406,6 +406,20 @@ void hubp2_program_rotation( H_MIRROR_EN, mirror); } +void hubp2_clear_tiling(struct hubp *hubp) +{ + struct dcn20_hubp *hubp2 = TO_DCN20_HUBP(hubp); + + REG_UPDATE(DCHUBP_REQ_SIZE_CONFIG, SWATH_HEIGHT, 0); + REG_UPDATE(DCSURF_TILING_CONFIG, SW_MODE, DC_SW_LINEAR); + + REG_UPDATE_4(DCSURF_SURFACE_CONTROL, + PRIMARY_SURFACE_DCC_EN, 0, + PRIMARY_SURFACE_DCC_IND_64B_BLK, 0, + SECONDARY_SURFACE_DCC_EN, 0, + SECONDARY_SURFACE_DCC_IND_64B_BLK, 0); +} + void hubp2_dcc_control(struct hubp *hubp, bool enable, enum hubp_ind_block_size independent_64b_blks) { @@ -1676,6 +1690,7 @@ static struct hubp_funcs dcn20_hubp_funcs = { .hubp_in_blank = hubp1_in_blank, .hubp_soft_reset = hubp1_soft_reset, .hubp_set_flip_int = hubp1_set_flip_int, + .hubp_clear_tiling = hubp2_clear_tiling, }; diff --git a/drivers/gpu/drm/amd/display/dc/hubp/dcn20/dcn20_hubp.h b/drivers/gpu/drm/amd/display/dc/hubp/dcn20/dcn20_hubp.h index 18e194507e36..7fd9240868c3 100644 --- a/drivers/gpu/drm/amd/display/dc/hubp/dcn20/dcn20_hubp.h +++ b/drivers/gpu/drm/amd/display/dc/hubp/dcn20/dcn20_hubp.h @@ -409,6 +409,8 @@ void hubp2_read_state_common(struct hubp *hubp); void hubp2_read_state(struct hubp *hubp); +void hubp2_clear_tiling(struct hubp *hubp); + #endif /* __DC_MEM_INPUT_DCN20_H__ */ diff --git a/drivers/gpu/drm/amd/display/dc/hubp/dcn201/dcn201_hubp.c b/drivers/gpu/drm/amd/display/dc/hubp/dcn201/dcn201_hubp.c index cd2bfcc51276..d910e4a54c34 100644 --- a/drivers/gpu/drm/amd/display/dc/hubp/dcn201/dcn201_hubp.c +++ b/drivers/gpu/drm/amd/display/dc/hubp/dcn201/dcn201_hubp.c @@ -131,6 +131,7 @@ static struct hubp_funcs dcn201_hubp_funcs = { .hubp_clear_underflow = hubp1_clear_underflow, .hubp_set_flip_control_surface_gsl = hubp2_set_flip_control_surface_gsl, .hubp_init = hubp1_init, + .hubp_clear_tiling = hubp1_clear_tiling, }; bool dcn201_hubp_construct( diff --git a/drivers/gpu/drm/amd/display/dc/hubp/dcn21/dcn21_hubp.c b/drivers/gpu/drm/amd/display/dc/hubp/dcn21/dcn21_hubp.c index e13d69a22c1c..edbdb8c88d5c 100644 --- a/drivers/gpu/drm/amd/display/dc/hubp/dcn21/dcn21_hubp.c +++ b/drivers/gpu/drm/amd/display/dc/hubp/dcn21/dcn21_hubp.c @@ -837,6 +837,7 @@ static struct hubp_funcs dcn21_hubp_funcs = { .hubp_init = hubp21_init, .validate_dml_output = hubp21_validate_dml_output, .hubp_set_flip_int = hubp1_set_flip_int, + .hubp_clear_tiling = hubp1_clear_tiling, }; bool hubp21_construct( diff --git a/drivers/gpu/drm/amd/display/dc/hubp/dcn30/dcn30_hubp.c b/drivers/gpu/drm/amd/display/dc/hubp/dcn30/dcn30_hubp.c index 60a64d290352..3b16c3cda2c3 100644 --- a/drivers/gpu/drm/amd/display/dc/hubp/dcn30/dcn30_hubp.c +++ b/drivers/gpu/drm/amd/display/dc/hubp/dcn30/dcn30_hubp.c @@ -334,6 +334,22 @@ void hubp3_program_tiling( } +void hubp3_clear_tiling(struct hubp *hubp) +{ + struct dcn20_hubp *hubp2 = TO_DCN20_HUBP(hubp); + + REG_UPDATE(DCHUBP_REQ_SIZE_CONFIG, SWATH_HEIGHT, 0); + REG_UPDATE(DCSURF_TILING_CONFIG, SW_MODE, DC_SW_LINEAR); + + REG_UPDATE_6(DCSURF_SURFACE_CONTROL, + PRIMARY_SURFACE_DCC_EN, 0, + PRIMARY_SURFACE_DCC_IND_BLK, 0, + PRIMARY_SURFACE_DCC_IND_BLK_C, 0, + SECONDARY_SURFACE_DCC_EN, 0, + SECONDARY_SURFACE_DCC_IND_BLK, 0, + SECONDARY_SURFACE_DCC_IND_BLK_C, 0); +} + void hubp3_dcc_control(struct hubp *hubp, bool enable, enum hubp_ind_block_size blk_size) { @@ -512,6 +528,7 @@ static struct hubp_funcs dcn30_hubp_funcs = { .hubp_in_blank = hubp1_in_blank, .hubp_soft_reset = hubp1_soft_reset, .hubp_set_flip_int = hubp1_set_flip_int, + .hubp_clear_tiling = hubp3_clear_tiling, }; bool hubp3_construct( diff --git a/drivers/gpu/drm/amd/display/dc/hubp/dcn30/dcn30_hubp.h b/drivers/gpu/drm/amd/display/dc/hubp/dcn30/dcn30_hubp.h index b010531a7fe8..cfb01bf340a1 100644 --- a/drivers/gpu/drm/amd/display/dc/hubp/dcn30/dcn30_hubp.h +++ b/drivers/gpu/drm/amd/display/dc/hubp/dcn30/dcn30_hubp.h @@ -297,6 +297,8 @@ void hubp3_read_state(struct hubp *hubp); void hubp3_init(struct hubp *hubp); +void hubp3_clear_tiling(struct hubp *hubp); + #endif /* __DC_HUBP_DCN30_H__ */ diff --git a/drivers/gpu/drm/amd/display/dc/hubp/dcn31/dcn31_hubp.c b/drivers/gpu/drm/amd/display/dc/hubp/dcn31/dcn31_hubp.c index 8394e8c06919..46b804ed05fb 100644 --- a/drivers/gpu/drm/amd/display/dc/hubp/dcn31/dcn31_hubp.c +++ b/drivers/gpu/drm/amd/display/dc/hubp/dcn31/dcn31_hubp.c @@ -96,6 +96,7 @@ static struct hubp_funcs dcn31_hubp_funcs = { .hubp_set_flip_int = hubp1_set_flip_int, .hubp_in_blank = hubp1_in_blank, .program_extended_blank = hubp31_program_extended_blank, + .hubp_clear_tiling = hubp3_clear_tiling, }; bool hubp31_construct( diff --git a/drivers/gpu/drm/amd/display/dc/hubp/dcn32/dcn32_hubp.c b/drivers/gpu/drm/amd/display/dc/hubp/dcn32/dcn32_hubp.c index ca5b4b28a664..8b5bd73b8094 100644 --- a/drivers/gpu/drm/amd/display/dc/hubp/dcn32/dcn32_hubp.c +++ b/drivers/gpu/drm/amd/display/dc/hubp/dcn32/dcn32_hubp.c @@ -201,7 +201,8 @@ static struct hubp_funcs dcn32_hubp_funcs = { .hubp_update_force_cursor_pstate_disallow = hubp32_update_force_cursor_pstate_disallow, .phantom_hubp_post_enable = hubp32_phantom_hubp_post_enable, .hubp_update_mall_sel = hubp32_update_mall_sel, - .hubp_prepare_subvp_buffering = hubp32_prepare_subvp_buffering + .hubp_prepare_subvp_buffering = hubp32_prepare_subvp_buffering, + .hubp_clear_tiling = hubp3_clear_tiling, }; bool hubp32_construct( diff --git a/drivers/gpu/drm/amd/display/dc/hubp/dcn35/dcn35_hubp.c b/drivers/gpu/drm/amd/display/dc/hubp/dcn35/dcn35_hubp.c index d1f05b82b3dd..eb62042dfafc 100644 --- a/drivers/gpu/drm/amd/display/dc/hubp/dcn35/dcn35_hubp.c +++ b/drivers/gpu/drm/amd/display/dc/hubp/dcn35/dcn35_hubp.c @@ -216,6 +216,7 @@ static struct hubp_funcs dcn35_hubp_funcs = { .hubp_set_flip_int = hubp1_set_flip_int, .hubp_in_blank = hubp1_in_blank, .program_extended_blank = hubp31_program_extended_blank_value, + .hubp_clear_tiling = hubp3_clear_tiling, }; bool hubp35_construct( diff --git a/drivers/gpu/drm/amd/display/dc/hubp/dcn401/dcn401_hubp.c b/drivers/gpu/drm/amd/display/dc/hubp/dcn401/dcn401_hubp.c index 109935be9de8..09f730cfbf8e 100644 --- a/drivers/gpu/drm/amd/display/dc/hubp/dcn401/dcn401_hubp.c +++ b/drivers/gpu/drm/amd/display/dc/hubp/dcn401/dcn401_hubp.c @@ -508,6 +508,18 @@ bool hubp401_program_surface_flip_and_addr( return true; } +void hubp401_clear_tiling(struct hubp *hubp) +{ + struct dcn20_hubp *hubp2 = TO_DCN20_HUBP(hubp); + + REG_UPDATE(DCHUBP_REQ_SIZE_CONFIG, SWATH_HEIGHT, 0); + REG_UPDATE(DCSURF_TILING_CONFIG, SW_MODE, DC_SW_LINEAR); + + REG_UPDATE_2(DCSURF_SURFACE_CONTROL, + PRIMARY_SURFACE_DCC_EN, 0, + SECONDARY_SURFACE_DCC_EN, 0); +} + void hubp401_dcc_control(struct hubp *hubp, struct dc_plane_dcc_param *dcc) { @@ -1004,7 +1016,8 @@ static struct hubp_funcs dcn401_hubp_funcs = { .hubp_program_3dlut_fl_width = hubp401_program_3dlut_fl_width, .hubp_program_3dlut_fl_tmz_protected = hubp401_program_3dlut_fl_tmz_protected, .hubp_program_3dlut_fl_crossbar = hubp401_program_3dlut_fl_crossbar, - .hubp_get_3dlut_fl_done = hubp401_get_3dlut_fl_done + .hubp_get_3dlut_fl_done = hubp401_get_3dlut_fl_done, + .hubp_clear_tiling = hubp2_clear_tiling, }; bool hubp401_construct( diff --git a/drivers/gpu/drm/amd/display/dc/hubp/dcn401/dcn401_hubp.h b/drivers/gpu/drm/amd/display/dc/hubp/dcn401/dcn401_hubp.h index 7d74e63379c6..9b200a55bf9d 100644 --- a/drivers/gpu/drm/amd/display/dc/hubp/dcn401/dcn401_hubp.h +++ b/drivers/gpu/drm/amd/display/dc/hubp/dcn401/dcn401_hubp.h @@ -363,4 +363,6 @@ void hubp401_program_3dlut_fl_format(struct hubp *hubp, enum hubp_3dlut_fl_forma void hubp401_program_3dlut_fl_mode(struct hubp *hubp, enum hubp_3dlut_fl_mode mode); +void hubp401_clear_tiling(struct hubp *hubp); + #endif /* __DC_HUBP_DCN401_H__ */ diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/hubp.h b/drivers/gpu/drm/amd/display/dc/inc/hw/hubp.h index 16580d624278..d0878fc0cc94 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/hw/hubp.h +++ b/drivers/gpu/drm/amd/display/dc/inc/hw/hubp.h @@ -275,6 +275,7 @@ struct hubp_funcs { enum hubp_3dlut_fl_crossbar_bit_slice bit_slice_cb_b, enum hubp_3dlut_fl_crossbar_bit_slice bit_slice_cr_r); int (*hubp_get_3dlut_fl_done)(struct hubp *hubp); + void (*hubp_clear_tiling)(struct hubp *hubp); }; #endif -- 2.51.0 From 98471006aecb20e1016f76354efa22889302abda Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Thu, 31 Oct 2024 13:20:19 -0400 Subject: [PATCH 10/16] drm/amd/display: add clear_tiling mi callbacks This adds clear_tiling callbacks to the mi structure that will be used for drm panic support to clear the tiling on a display. Mem input (mi) is used on DCE based display IPs. Reviewed-by: Harry Wentland Signed-off-by: Alex Deucher Cc: Lu Yao Cc: Jocelyn Falempe Cc: Harry Wentland --- .../drm/amd/display/dc/dce/dce_mem_input.c | 34 ++++++++++++++++--- .../gpu/drm/amd/display/dc/inc/hw/mem_input.h | 2 ++ 2 files changed, 31 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_mem_input.c b/drivers/gpu/drm/amd/display/dc/dce/dce_mem_input.c index f5e1d9caee4c..ebd174be5786 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_mem_input.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_mem_input.c @@ -481,7 +481,6 @@ static void program_tiling( } } - static void program_size_and_rotation( struct dce_mem_input *dce_mi, enum dc_rotation_angle rotation, @@ -627,6 +626,27 @@ static void program_grph_pixel_format( GRPH_PRESCALE_B_SIGN, sign); } +static void dce_mi_clear_tiling( + struct mem_input *mi) +{ + struct dce_mem_input *dce_mi = TO_DCE_MEM_INPUT(mi); + + if (dce_mi->masks->GRPH_SW_MODE) { /* GFX9 */ + REG_UPDATE(GRPH_CONTROL, + GRPH_SW_MODE, DC_SW_LINEAR); + } + + if (dce_mi->masks->GRPH_MICRO_TILE_MODE) { /* GFX8 */ + REG_UPDATE(GRPH_CONTROL, + GRPH_ARRAY_MODE, DC_SW_LINEAR); + } + + if (dce_mi->masks->GRPH_ARRAY_MODE) { /* GFX6 but reuses gfx8 struct */ + REG_UPDATE(GRPH_CONTROL, + GRPH_ARRAY_MODE, DC_SW_LINEAR); + } +} + static void dce_mi_program_surface_config( struct mem_input *mi, enum surface_pixel_format format, @@ -884,7 +904,8 @@ static const struct mem_input_funcs dce_mi_funcs = { .mem_input_program_pte_vm = dce_mi_program_pte_vm, .mem_input_program_surface_config = dce_mi_program_surface_config, - .mem_input_is_flip_pending = dce_mi_is_flip_pending + .mem_input_is_flip_pending = dce_mi_is_flip_pending, + .mem_input_clear_tiling = dce_mi_clear_tiling, }; #if defined(CONFIG_DRM_AMD_DC_SI) @@ -897,7 +918,8 @@ static const struct mem_input_funcs dce60_mi_funcs = { .mem_input_program_pte_vm = dce_mi_program_pte_vm, .mem_input_program_surface_config = dce60_mi_program_surface_config, - .mem_input_is_flip_pending = dce_mi_is_flip_pending + .mem_input_is_flip_pending = dce_mi_is_flip_pending, + .mem_input_clear_tiling = dce_mi_clear_tiling, }; #endif @@ -910,7 +932,8 @@ static const struct mem_input_funcs dce112_mi_funcs = { .mem_input_program_pte_vm = dce_mi_program_pte_vm, .mem_input_program_surface_config = dce_mi_program_surface_config, - .mem_input_is_flip_pending = dce_mi_is_flip_pending + .mem_input_is_flip_pending = dce_mi_is_flip_pending, + .mem_input_clear_tiling = dce_mi_clear_tiling, }; static const struct mem_input_funcs dce120_mi_funcs = { @@ -922,7 +945,8 @@ static const struct mem_input_funcs dce120_mi_funcs = { .mem_input_program_pte_vm = dce_mi_program_pte_vm, .mem_input_program_surface_config = dce_mi_program_surface_config, - .mem_input_is_flip_pending = dce_mi_is_flip_pending + .mem_input_is_flip_pending = dce_mi_is_flip_pending, + .mem_input_clear_tiling = dce_mi_clear_tiling, }; void dce_mem_input_construct( diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/mem_input.h b/drivers/gpu/drm/amd/display/dc/inc/hw/mem_input.h index a8b44f398ce6..4f5d102455ca 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/hw/mem_input.h +++ b/drivers/gpu/drm/amd/display/dc/inc/hw/mem_input.h @@ -187,6 +187,8 @@ struct mem_input_funcs { const struct dc_cursor_position *pos, const struct dc_cursor_mi_param *param); + void (*mem_input_clear_tiling)( + struct mem_input *mem_input); }; #endif -- 2.51.0 From b7a287fa0c22802529aa346527512b155a8378fe Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Tue, 12 Nov 2024 16:19:18 -0500 Subject: [PATCH 11/16] drm/amd/display/dc: add helper for panic updates Add a DC helper for panic updates. Reviewed-by: Harry Wentland Signed-off-by: Alex Deucher Cc: Lu Yao Cc: Jocelyn Falempe Cc: Harry Wentland --- .../gpu/drm/amd/display/dc/core/dc_surface.c | 46 +++++++++++++++++++ drivers/gpu/drm/amd/display/dc/dc_plane.h | 3 ++ 2 files changed, 49 insertions(+) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_surface.c b/drivers/gpu/drm/amd/display/dc/core/dc_surface.c index 3299684f9a4e..f3471d45b312 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_surface.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_surface.c @@ -270,4 +270,50 @@ void dc_3dlut_func_retain(struct dc_3dlut *lut) kref_get(&lut->refcount); } +void dc_plane_force_update_for_panic(struct dc_plane_state *plane_state, + bool clear_tiling) +{ + struct dc *dc; + int i; + + if (!plane_state) + return; + + dc = plane_state->ctx->dc; + + if (!dc || !dc->current_state) + return; + for (i = 0; i < dc->res_pool->pipe_count; i++) { + struct pipe_ctx *pipe_ctx = &dc->current_state->res_ctx.pipe_ctx[i]; + + if (!pipe_ctx) + continue; + + if (dc->ctx->dce_version >= DCE_VERSION_MAX) { + struct hubp *hubp = pipe_ctx->plane_res.hubp; + if (!hubp) + continue; + /* if framebuffer is tiled, disable tiling */ + if (clear_tiling && hubp->funcs->hubp_clear_tiling) + hubp->funcs->hubp_clear_tiling(hubp); + + /* force page flip to see the new content of the framebuffer */ + hubp->funcs->hubp_program_surface_flip_and_addr(hubp, + &plane_state->address, + true); + } else { + struct mem_input *mi = pipe_ctx->plane_res.mi; + if (!mi) + continue; + /* if framebuffer is tiled, disable tiling */ + if (clear_tiling && mi->funcs->mem_input_clear_tiling) + mi->funcs->mem_input_clear_tiling(mi); + + /* force page flip to see the new content of the framebuffer */ + mi->funcs->mem_input_program_surface_flip_and_addr(mi, + &plane_state->address, + true); + } + } +} diff --git a/drivers/gpu/drm/amd/display/dc/dc_plane.h b/drivers/gpu/drm/amd/display/dc/dc_plane.h index bd37ec82b42d..fabcefeda288 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_plane.h +++ b/drivers/gpu/drm/amd/display/dc/dc_plane.h @@ -34,4 +34,7 @@ const struct dc_plane_status *dc_plane_get_status( void dc_plane_state_retain(struct dc_plane_state *plane_state); void dc_plane_state_release(struct dc_plane_state *plane_state); +void dc_plane_force_update_for_panic(struct dc_plane_state *plane_state, + bool clear_tiling); + #endif /* _DC_PLANE_H_ */ -- 2.51.0 From 3676f37a88432132bcff55a17dc48911239b6d98 Mon Sep 17 00:00:00 2001 From: Bokun Zhang Date: Wed, 11 Dec 2024 15:42:56 -0600 Subject: [PATCH 12/16] drm/amdgpu/vcn: reset fw_shared under SRIOV - The previous patch only considered the case for baremetal and is not applicable for SRIOV code path. We also need to init fw_share for SRIOV VF Fixes: 928cd772e18f ("drm/amdgpu/vcn: reset fw_shared when VCPU buffers corrupted on vcn v4.0.3") Acked-by: Alex Deucher Signed-off-by: Bokun Zhang Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c index eeade7366e82..ecdc027f8220 100644 --- a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c +++ b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c @@ -957,6 +957,8 @@ static int vcn_v4_0_3_start_sriov(struct amdgpu_device *adev) for (i = 0; i < adev->vcn.num_vcn_inst; i++) { vcn_inst = GET_INST(VCN, i); + vcn_v4_0_3_fw_shared_init(adev, vcn_inst); + memset(&header, 0, sizeof(struct mmsch_v4_0_3_init_header)); header.version = MMSCH_VERSION; header.total_size = sizeof(struct mmsch_v4_0_3_init_header) >> 2; -- 2.51.0 From 1ad5bdc28bafa66db0f041cc6cdd278a80426aae Mon Sep 17 00:00:00 2001 From: Mario Limonciello Date: Wed, 11 Dec 2024 09:56:01 -0600 Subject: [PATCH 13/16] drm/amd: Require CONFIG_HOTPLUG_PCI_PCIE for BOCO If the kernel hasn't been compiled with PCIe hotplug support this can lead to problems with dGPUs that use BOCO because they effectively drop off the bus. To prevent issues, disable BOCO support when compiled without PCIe hotplug. Reported-by: Gabriel Marcano Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/1707#note_2696862 Acked-by: Alex Deucher Link: https://lore.kernel.org/r/20241211155601.3585256-1-superm1@kernel.org Signed-off-by: Mario Limonciello Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index e22fc7a8101f..36053b3d48b3 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -419,6 +419,9 @@ bool amdgpu_device_supports_boco(struct drm_device *dev) { struct amdgpu_device *adev = drm_to_adev(dev); + if (!IS_ENABLED(CONFIG_HOTPLUG_PCI_PCIE)) + return false; + if (adev->has_pr3 || ((adev->flags & AMD_IS_PX) && amdgpu_is_atpx_hybrid())) return true; -- 2.51.0 From 736692c3b7c072eb25d64ee5aca29bb525f3818f Mon Sep 17 00:00:00 2001 From: Jocelyn Falempe Date: Thu, 31 Oct 2024 13:27:03 -0400 Subject: [PATCH 14/16] drm/amd/display: add DC drm_panic support Add support for the drm_panic module, which displays a pretty user friendly message on the screen when a Linux kernel panic occurs. It doesn't work yet on laptop panels, maybe due to PSR. Adapted from Jocelyn's original patch to add DC drm_panic support. Reviewed-by: Harry Wentland Signed-off-by: Jocelyn Falempe Signed-off-by: Alex Deucher Cc: Lu Yao Cc: Jocelyn Falempe Cc: Harry Wentland --- .../amd/display/amdgpu_dm/amdgpu_dm_plane.c | 30 ++++++++++++++++++- 1 file changed, 29 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_plane.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_plane.c index 495e3cd70426..c10cabb8b42b 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_plane.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_plane.c @@ -26,6 +26,7 @@ #include #include +#include "drm/drm_framebuffer.h" #include #include #include @@ -1421,6 +1422,20 @@ static void amdgpu_dm_plane_atomic_async_update(struct drm_plane *plane, amdgpu_dm_plane_handle_cursor_update(plane, old_state); } +static void amdgpu_dm_plane_panic_flush(struct drm_plane *plane) +{ + struct dm_plane_state *dm_plane_state = to_dm_plane_state(plane->state); + struct drm_framebuffer *fb = plane->state->fb; + struct dc_plane_state *dc_plane_state; + + if (!dm_plane_state || !dm_plane_state->dc_state) + return; + + dc_plane_state = dm_plane_state->dc_state; + + dc_plane_force_update_for_panic(dc_plane_state, fb->modifier ? true : false); +} + static const struct drm_plane_helper_funcs dm_plane_helper_funcs = { .prepare_fb = amdgpu_dm_plane_helper_prepare_fb, .cleanup_fb = amdgpu_dm_plane_helper_cleanup_fb, @@ -1429,6 +1444,16 @@ static const struct drm_plane_helper_funcs dm_plane_helper_funcs = { .atomic_async_update = amdgpu_dm_plane_atomic_async_update }; +static const struct drm_plane_helper_funcs dm_primary_plane_helper_funcs = { + .prepare_fb = amdgpu_dm_plane_helper_prepare_fb, + .cleanup_fb = amdgpu_dm_plane_helper_cleanup_fb, + .atomic_check = amdgpu_dm_plane_atomic_check, + .atomic_async_check = amdgpu_dm_plane_atomic_async_check, + .atomic_async_update = amdgpu_dm_plane_atomic_async_update, + .get_scanout_buffer = amdgpu_display_get_scanout_buffer, + .panic_flush = amdgpu_dm_plane_panic_flush, +}; + static void amdgpu_dm_plane_drm_plane_reset(struct drm_plane *plane) { struct dm_plane_state *amdgpu_state = NULL; @@ -1855,7 +1880,10 @@ int amdgpu_dm_plane_init(struct amdgpu_display_manager *dm, plane->type != DRM_PLANE_TYPE_CURSOR) drm_plane_enable_fb_damage_clips(plane); - drm_plane_helper_add(plane, &dm_plane_helper_funcs); + if (plane->type == DRM_PLANE_TYPE_PRIMARY) + drm_plane_helper_add(plane, &dm_primary_plane_helper_funcs); + else + drm_plane_helper_add(plane, &dm_plane_helper_funcs); #ifdef AMD_PRIVATE_COLOR dm_atomic_plane_attach_color_mgmt_properties(dm, plane); -- 2.51.0 From 7e50642d41050c2182368171d5afb0543b38f379 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Thu, 31 Oct 2024 13:51:35 -0400 Subject: [PATCH 15/16] drm/amd/display: add non-DC drm_panic support Add support for the drm_panic module, which displays a pretty user friendly message on the screen when a Linux kernel panic occurs. Adapt Lu Yao's code to use common helpers derived from Jocelyn's patch. This extends the non-DC code to enable access to non-CPU accessible VRAM and adds support for other DCE versions. Reviewed-by: Harry Wentland Signed-off-by: Alex Deucher Cc: Lu Yao Cc: Jocelyn Falempe Cc: Harry Wentland --- drivers/gpu/drm/amd/amdgpu/dce_v10_0.c | 27 ++++++++++++++++++++++++++ drivers/gpu/drm/amd/amdgpu/dce_v11_0.c | 27 ++++++++++++++++++++++++++ drivers/gpu/drm/amd/amdgpu/dce_v6_0.c | 27 ++++++++++++++++++++++++++ drivers/gpu/drm/amd/amdgpu/dce_v8_0.c | 26 +++++++++++++++++++++++++ 4 files changed, 107 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c index 8bc997b66424..c5e3d2251b18 100644 --- a/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c @@ -2687,6 +2687,32 @@ static const struct drm_crtc_helper_funcs dce_v10_0_crtc_helper_funcs = { .get_scanout_position = amdgpu_crtc_get_scanout_position, }; +static void dce_v10_0_panic_flush(struct drm_plane *plane) +{ + struct drm_framebuffer *fb; + struct amdgpu_crtc *amdgpu_crtc; + struct amdgpu_device *adev; + uint32_t fb_format; + + if (!plane->fb) + return; + + fb = plane->fb; + amdgpu_crtc = to_amdgpu_crtc(plane->crtc); + adev = drm_to_adev(fb->dev); + + /* Disable DC tiling */ + fb_format = RREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset); + fb_format &= ~GRPH_CONTROL__GRPH_ARRAY_MODE_MASK; + WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format); + +} + +static const struct drm_plane_helper_funcs dce_v10_0_drm_primary_plane_helper_funcs = { + .get_scanout_buffer = amdgpu_display_get_scanout_buffer, + .panic_flush = dce_v10_0_panic_flush, +}; + static int dce_v10_0_crtc_init(struct amdgpu_device *adev, int index) { struct amdgpu_crtc *amdgpu_crtc; @@ -2734,6 +2760,7 @@ static int dce_v10_0_crtc_init(struct amdgpu_device *adev, int index) amdgpu_crtc->encoder = NULL; amdgpu_crtc->connector = NULL; drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v10_0_crtc_helper_funcs); + drm_plane_helper_add(amdgpu_crtc->base.primary, &dce_v10_0_drm_primary_plane_helper_funcs); return 0; } diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c index 504939e3c0c3..ea42a4472bf6 100644 --- a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c +++ b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c @@ -2800,6 +2800,32 @@ static const struct drm_crtc_helper_funcs dce_v11_0_crtc_helper_funcs = { .get_scanout_position = amdgpu_crtc_get_scanout_position, }; +static void dce_v11_0_panic_flush(struct drm_plane *plane) +{ + struct drm_framebuffer *fb; + struct amdgpu_crtc *amdgpu_crtc; + struct amdgpu_device *adev; + uint32_t fb_format; + + if (!plane->fb) + return; + + fb = plane->fb; + amdgpu_crtc = to_amdgpu_crtc(plane->crtc); + adev = drm_to_adev(fb->dev); + + /* Disable DC tiling */ + fb_format = RREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset); + fb_format &= ~GRPH_CONTROL__GRPH_ARRAY_MODE_MASK; + WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format); + +} + +static const struct drm_plane_helper_funcs dce_v11_0_drm_primary_plane_helper_funcs = { + .get_scanout_buffer = amdgpu_display_get_scanout_buffer, + .panic_flush = dce_v11_0_panic_flush, +}; + static int dce_v11_0_crtc_init(struct amdgpu_device *adev, int index) { struct amdgpu_crtc *amdgpu_crtc; @@ -2847,6 +2873,7 @@ static int dce_v11_0_crtc_init(struct amdgpu_device *adev, int index) amdgpu_crtc->encoder = NULL; amdgpu_crtc->connector = NULL; drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v11_0_crtc_helper_funcs); + drm_plane_helper_add(amdgpu_crtc->base.primary, &dce_v11_0_drm_primary_plane_helper_funcs); return 0; } diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c index a33e33743a93..915804a6a1d7 100644 --- a/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c +++ b/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c @@ -2602,6 +2602,32 @@ static const struct drm_crtc_helper_funcs dce_v6_0_crtc_helper_funcs = { .get_scanout_position = amdgpu_crtc_get_scanout_position, }; +static void dce_v6_0_panic_flush(struct drm_plane *plane) +{ + struct drm_framebuffer *fb; + struct amdgpu_crtc *amdgpu_crtc; + struct amdgpu_device *adev; + uint32_t fb_format; + + if (!plane->fb) + return; + + fb = plane->fb; + amdgpu_crtc = to_amdgpu_crtc(plane->crtc); + adev = drm_to_adev(fb->dev); + + /* Disable DC tiling */ + fb_format = RREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset); + fb_format &= ~GRPH_ARRAY_MODE(0x7); + WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format); + +} + +static const struct drm_plane_helper_funcs dce_v6_0_drm_primary_plane_helper_funcs = { + .get_scanout_buffer = amdgpu_display_get_scanout_buffer, + .panic_flush = dce_v6_0_panic_flush, +}; + static int dce_v6_0_crtc_init(struct amdgpu_device *adev, int index) { struct amdgpu_crtc *amdgpu_crtc; @@ -2629,6 +2655,7 @@ static int dce_v6_0_crtc_init(struct amdgpu_device *adev, int index) amdgpu_crtc->encoder = NULL; amdgpu_crtc->connector = NULL; drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v6_0_crtc_helper_funcs); + drm_plane_helper_add(amdgpu_crtc->base.primary, &dce_v6_0_drm_primary_plane_helper_funcs); return 0; } diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c index aff58d56864a..f2edc0fece5b 100644 --- a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c @@ -2613,6 +2613,31 @@ static const struct drm_crtc_helper_funcs dce_v8_0_crtc_helper_funcs = { .get_scanout_position = amdgpu_crtc_get_scanout_position, }; +static void dce_v8_0_panic_flush(struct drm_plane *plane) +{ + struct drm_framebuffer *fb; + struct amdgpu_crtc *amdgpu_crtc; + struct amdgpu_device *adev; + uint32_t fb_format; + + if (!plane->fb) + return; + + fb = plane->fb; + amdgpu_crtc = to_amdgpu_crtc(plane->crtc); + adev = drm_to_adev(fb->dev); + + /* Disable DC tiling */ + fb_format = RREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset); + fb_format &= ~GRPH_CONTROL__GRPH_ARRAY_MODE_MASK; + WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format); +} + +static const struct drm_plane_helper_funcs dce_v8_0_drm_primary_plane_helper_funcs = { + .get_scanout_buffer = amdgpu_display_get_scanout_buffer, + .panic_flush = dce_v8_0_panic_flush, +}; + static int dce_v8_0_crtc_init(struct amdgpu_device *adev, int index) { struct amdgpu_crtc *amdgpu_crtc; @@ -2640,6 +2665,7 @@ static int dce_v8_0_crtc_init(struct amdgpu_device *adev, int index) amdgpu_crtc->encoder = NULL; amdgpu_crtc->connector = NULL; drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v8_0_crtc_helper_funcs); + drm_plane_helper_add(amdgpu_crtc->base.primary, &dce_v8_0_drm_primary_plane_helper_funcs); return 0; } -- 2.51.0 From 69b54d7c7c9435462322e451207a0de9b3409751 Mon Sep 17 00:00:00 2001 From: Dheeraj Reddy Jonnalagadda Date: Thu, 12 Dec 2024 16:26:24 +0530 Subject: [PATCH 16/16] drm/amdgpu: simplify return statement in amdgpu_ras_eeprom_init Remove the logically dead code in the last return statement of amdgpu_ras_eeprom_init. The condition res < 0 is redundant since res is already checked for a negative value earlier. Replace return res < 0 ? res : 0; with return 0 to improve clarity. Fixes: 63d4c081a556 ("drm/amdgpu: Optimize EEPROM RAS table I/O") Closes: https://scan7.scan.coverity.com/#/project-view/52337/11354?selectedIssue=1602413 Signed-off-by: Dheeraj Reddy Jonnalagadda Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c index 0d824f016916..52c16bfeccaa 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c @@ -1390,7 +1390,7 @@ int amdgpu_ras_eeprom_init(struct amdgpu_ras_eeprom_control *control) } control->ras_fri = RAS_OFFSET_TO_INDEX(control, hdr->first_rec_offset); - return res < 0 ? res : 0; + return 0; } int amdgpu_ras_eeprom_check(struct amdgpu_ras_eeprom_control *control) -- 2.51.0