From: Jani Nikula Date: Tue, 2 Apr 2024 21:22:25 +0000 (+0300) Subject: Revert "drm/i915/display: move dmc_firmware_path to display params" X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=318e82583ca96fdb835d28e0c1ac8dc7cfbfb5bd;p=users%2Fjedix%2Flinux-maple.git Revert "drm/i915/display: move dmc_firmware_path to display params" This reverts commit 0d82a0d6f5561af8dea7011d1b7cae510021723e. The commit failed to take into account that the parameter duplication and debugfs for char * parameters were subtly different between i915 core and display, and caused the DMC and PM to be disabled. Moreover, the patch was pushed with failing CI results. Revert, and get back to the drawing board. Acked-by: Rodrigo Vivi Acked-by: Lucas De Marchi Signed-off-by: Jani Nikula --- diff --git a/drivers/gpu/drm/i915/display/intel_display_params.c b/drivers/gpu/drm/i915/display/intel_display_params.c index c8e3d6892e23..11e03cfb774d 100644 --- a/drivers/gpu/drm/i915/display/intel_display_params.c +++ b/drivers/gpu/drm/i915/display/intel_display_params.c @@ -27,9 +27,6 @@ static struct intel_display_params intel_display_modparams __read_mostly = { * debugfs mode to 0. */ -intel_display_param_named_unsafe(dmc_firmware_path, charp, 0400, - "DMC firmware path to use instead of the default one"); - intel_display_param_named_unsafe(vbt_firmware, charp, 0400, "Load VBT from specified file under /lib/firmware"); diff --git a/drivers/gpu/drm/i915/display/intel_display_params.h b/drivers/gpu/drm/i915/display/intel_display_params.h index f95a6f79904f..6206cc51df04 100644 --- a/drivers/gpu/drm/i915/display/intel_display_params.h +++ b/drivers/gpu/drm/i915/display/intel_display_params.h @@ -24,7 +24,6 @@ struct drm_i915_private; * debugfs file */ #define INTEL_DISPLAY_PARAMS_FOR_EACH(param) \ - param(char *, dmc_firmware_path, NULL, 0400) \ param(char *, vbt_firmware, NULL, 0400) \ param(int, lvds_channel_mode, 0, 0400) \ param(int, panel_use_ssc, -1, 0600) \ diff --git a/drivers/gpu/drm/i915/display/intel_dmc.c b/drivers/gpu/drm/i915/display/intel_dmc.c index b4e730882ce2..3fa851b5c7a6 100644 --- a/drivers/gpu/drm/i915/display/intel_dmc.c +++ b/drivers/gpu/drm/i915/display/intel_dmc.c @@ -927,7 +927,7 @@ static void dmc_load_work_fn(struct work_struct *work) err = request_firmware(&fw, dmc->fw_path, i915->drm.dev); - if (err == -ENOENT && !i915->display.params.dmc_firmware_path) { + if (err == -ENOENT && !i915->params.dmc_firmware_path) { fallback_path = dmc_fallback_path(i915); if (fallback_path) { drm_dbg_kms(&i915->drm, "%s not found, falling back to %s\n", @@ -1034,14 +1034,14 @@ void intel_dmc_init(struct drm_i915_private *i915) dmc->max_fw_size = BXT_DMC_MAX_FW_SIZE; } - if (i915->display.params.dmc_firmware_path) { - if (strlen(i915->display.params.dmc_firmware_path) == 0) { + if (i915->params.dmc_firmware_path) { + if (strlen(i915->params.dmc_firmware_path) == 0) { drm_info(&i915->drm, "Disabling DMC firmware and runtime PM\n"); goto out; } - dmc->fw_path = i915->display.params.dmc_firmware_path; + dmc->fw_path = i915->params.dmc_firmware_path; } if (!dmc->fw_path) { diff --git a/drivers/gpu/drm/i915/i915_params.c b/drivers/gpu/drm/i915/i915_params.c index 8c00169e3ab7..de43048543e8 100644 --- a/drivers/gpu/drm/i915/i915_params.c +++ b/drivers/gpu/drm/i915/i915_params.c @@ -108,6 +108,9 @@ i915_param_named_unsafe(guc_firmware_path, charp, 0400, i915_param_named_unsafe(huc_firmware_path, charp, 0400, "HuC firmware path to use instead of the default one"); +i915_param_named_unsafe(dmc_firmware_path, charp, 0400, + "DMC firmware path to use instead of the default one"); + i915_param_named_unsafe(gsc_firmware_path, charp, 0400, "GSC firmware path to use instead of the default one"); diff --git a/drivers/gpu/drm/i915/i915_params.h b/drivers/gpu/drm/i915/i915_params.h index 2eb3f2115ff2..1315d7fac850 100644 --- a/drivers/gpu/drm/i915/i915_params.h +++ b/drivers/gpu/drm/i915/i915_params.h @@ -51,6 +51,7 @@ struct drm_printer; param(int, guc_log_level, -1, 0400) \ param(char *, guc_firmware_path, NULL, 0400) \ param(char *, huc_firmware_path, NULL, 0400) \ + param(char *, dmc_firmware_path, NULL, 0400) \ param(char *, gsc_firmware_path, NULL, 0400) \ param(bool, memtest, false, 0400) \ param(int, mmio_debug, -IS_ENABLED(CONFIG_DRM_I915_DEBUG_MMIO), 0600) \ diff --git a/drivers/gpu/drm/xe/xe_device_types.h b/drivers/gpu/drm/xe/xe_device_types.h index eeab2002d6db..9785eef2e5a4 100644 --- a/drivers/gpu/drm/xe/xe_device_types.h +++ b/drivers/gpu/drm/xe/xe_device_types.h @@ -524,6 +524,9 @@ struct xe_device { unsigned int fsb_freq, mem_freq, is_ddr3; u8 vblank_enabled; }; + struct { + const char *dmc_firmware_path; + } params; void *pxp; #endif