hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

drm/amd/powerplay: Use defined constants for minium engine clock 

Replacing magic numbers in calculation of sleep divider id for fiji
and polaris.

Signed-off-by: Nils Wallménius <nils.wallmenius@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Nils Wallménius 2016-05-05 09:07:45 +02:00 committed by Alex Deucher
parent f9fbac64eb
commit 859b8b6a27
2 changed files with 4 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/gpu/drm/amd/powerplay/hwmgr/fiji_hwmgr.c
View File

@ -1903,7 +1903,8 @@ static uint8_t fiji_get_sleep_divider_id_from_clock(struct pp_hwmgr *hwmgr,
{
uint8_t i;
uint32_t temp;
uint32_t min = clock_insr > 2500 ? clock_insr : 2500;
uint32_t min = clock_insr > FIJI_MINIMUM_ENGINE_CLOCK ?
clock_insr : FIJI_MINIMUM_ENGINE_CLOCK;
PP_ASSERT_WITH_CODE((clock >= min), "Engine clock can't satisfy stutter requirement!", return 0);
for (i = FIJI_MAX_DEEPSLEEP_DIVIDER_ID; ; i--) {

4
drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c
View File

@ -1175,11 +1175,11 @@ static int polaris10_populate_single_graphic_level(struct pp_hwmgr *hwmgr,
if (phm_cap_enabled(hwmgr->platformDescriptor.platformCaps, PHM_PlatformCaps_SclkDeepSleep))
level->DeepSleepDivId = PhwFiji_GetSleepDividerIdFromClock(hwmgr, clock, minClocks.engineClockInSR);
*/
PP_ASSERT_WITH_CODE((clock >= 2500), "Engine clock can't satisfy stutter requirement!", return 0);
PP_ASSERT_WITH_CODE((clock >= POLARIS10_MINIMUM_ENGINE_CLOCK), "Engine clock can't satisfy stutter requirement!", return 0);
for (i = POLARIS10_MAX_DEEPSLEEP_DIVIDER_ID; ; i--) {
temp = clock / (1UL << i);
if (temp >= 2500 || i == 0)
if (temp >= POLARIS10_MINIMUM_ENGINE_CLOCK || i == 0)
break;
}