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drm/amd/amdgpu: Remove division from vblank_wait 

Removes division from vblank_wait for DCE v6, v8,
and v10.  Was already implemented for v11.

Signed-off-by: Tom St Denis <tom.stdenis@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Tom St Denis 2016-09-22 10:01:00 -04:00 committed by Alex Deucher
parent 735598477f
commit e37e4f057b
3 changed files with 15 additions and 9 deletions
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8
drivers/gpu/drm/amd/amdgpu/dce_v10_0.c
View File

@ -221,7 +221,7 @@ static bool dce_v10_0_is_counter_moving(struct amdgpu_device *adev, int crtc)
*/
static void dce_v10_0_vblank_wait(struct amdgpu_device *adev, int crtc)
{
unsigned i = 0;
unsigned i = 100;
if (crtc >= adev->mode_info.num_crtc)
return;
@ -233,14 +233,16 @@ static void dce_v10_0_vblank_wait(struct amdgpu_device *adev, int crtc)
* wait for another frame.
*/
while (dce_v10_0_is_in_vblank(adev, crtc)) {
if (i++ % 100 == 0) {
if (i++ == 100) {
i = 0;
if (!dce_v10_0_is_counter_moving(adev, crtc))
break;
}
}
while (!dce_v10_0_is_in_vblank(adev, crtc)) {
if (i++ % 100 == 0) {
if (i++ == 100) {
i = 0;
if (!dce_v10_0_is_counter_moving(adev, crtc))
break;
}

8
drivers/gpu/drm/amd/amdgpu/dce_v6_0.c
View File

@ -146,7 +146,7 @@ static bool dce_v6_0_is_counter_moving(struct amdgpu_device *adev, int crtc)
*/
static void dce_v6_0_vblank_wait(struct amdgpu_device *adev, int crtc)
{
unsigned i = 0;
unsigned i = 100;
if (crtc >= adev->mode_info.num_crtc)
return;
@ -158,14 +158,16 @@ static void dce_v6_0_vblank_wait(struct amdgpu_device *adev, int crtc)
* wait for another frame.
*/
while (dce_v6_0_is_in_vblank(adev, crtc)) {
if (i++ % 100 == 0) {
if (i++ == 100) {
i = 0;
if (!dce_v6_0_is_counter_moving(adev, crtc))
break;
}
}
while (!dce_v6_0_is_in_vblank(adev, crtc)) {
if (i++ % 100 == 0) {
if (i++ == 100) {
i = 0;
if (!dce_v6_0_is_counter_moving(adev, crtc))
break;
}

8
drivers/gpu/drm/amd/amdgpu/dce_v8_0.c
View File

@ -170,7 +170,7 @@ static bool dce_v8_0_is_counter_moving(struct amdgpu_device *adev, int crtc)
*/
static void dce_v8_0_vblank_wait(struct amdgpu_device *adev, int crtc)
{
unsigned i = 0;
unsigned i = 100;
if (crtc >= adev->mode_info.num_crtc)
return;
@ -182,14 +182,16 @@ static void dce_v8_0_vblank_wait(struct amdgpu_device *adev, int crtc)
* wait for another frame.
*/
while (dce_v8_0_is_in_vblank(adev, crtc)) {
if (i++ % 100 == 0) {
if (i++ == 100) {
i = 0;
if (!dce_v8_0_is_counter_moving(adev, crtc))
break;
}
}
while (!dce_v8_0_is_in_vblank(adev, crtc)) {
if (i++ % 100 == 0) {
if (i++ == 100) {
i = 0;
if (!dce_v8_0_is_counter_moving(adev, crtc))
break;
}