drm/radeon/dpm: adjust the vblank time checks for eg, ni, si

According to the internal teams, we never hit the limit for
mclk switching on these asics, so we can disable the check.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/radeon/cypress_dpm.c b/drivers/gpu/drm/radeon/cypress_dpm.c
index 7e5d0b570a30531a8752e6b4f29bb732528bb7fe..95a66db08d9bedabe1b9564fe53939acc7ecca43 100644 (file)
--- a/drivers/gpu/drm/radeon/cypress_dpm.c
+++ b/drivers/gpu/drm/radeon/cypress_dpm.c
@@ -2166,7 +2166,8 @@ bool cypress_dpm_vblank_too_short(struct radeon_device *rdev)
 {
        struct rv7xx_power_info *pi = rv770_get_pi(rdev);
        u32 vblank_time = r600_dpm_get_vblank_time(rdev);
-       u32 switch_limit = pi->mem_gddr5 ? 450 : 300;
+       /* we never hit the non-gddr5 limit so disable it */
+       u32 switch_limit = pi->mem_gddr5 ? 450 : 0;
 
        if (vblank_time < switch_limit)
                return true;

diff --git a/drivers/gpu/drm/radeon/ni_dpm.c b/drivers/gpu/drm/radeon/ni_dpm.c
index f0f5f748938ad6c30292d2b109bef4c3a2f8fc29..238078c2b31947a70f8622c6eb73ea4acc27ed9d 100644 (file)
--- a/drivers/gpu/drm/radeon/ni_dpm.c
+++ b/drivers/gpu/drm/radeon/ni_dpm.c
@@ -769,7 +769,8 @@ bool ni_dpm_vblank_too_short(struct radeon_device *rdev)
 {
        struct rv7xx_power_info *pi = rv770_get_pi(rdev);
        u32 vblank_time = r600_dpm_get_vblank_time(rdev);
-       u32 switch_limit = pi->mem_gddr5 ? 450 : 300;
+       /* we never hit the non-gddr5 limit so disable it */
+       u32 switch_limit = pi->mem_gddr5 ? 450 : 0;
 
        if (vblank_time < switch_limit)
                return true;