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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>
This commit is contained in:
Alex Deucher 2013-08-12 11:35:02 -04:00
parent f75195cac3
commit 1bd4cff651
2 changed files with 4 additions and 2 deletions
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3
drivers/gpu/drm/radeon/cypress_dpm.c
View File

@ -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;

3
drivers/gpu/drm/radeon/ni_dpm.c
View File

@ -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;