@@ -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;
@@ -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;
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> --- drivers/gpu/drm/radeon/cypress_dpm.c | 3 ++- drivers/gpu/drm/radeon/ni_dpm.c | 3 ++- 2 files changed, 4 insertions(+), 2 deletions(-)