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path: root/drivers/gpu/drm/radeon/atombios_crtc.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/atombios_crtc.c')
-rw-r--r--drivers/gpu/drm/radeon/atombios_crtc.c22
1 files changed, 16 insertions, 6 deletions
diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index 9e6f76fec52..c6fcb5b86a4 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -259,7 +259,7 @@ void atombios_crtc_dpms(struct drm_crtc *crtc, int mode)
/* adjust pm to dpms changes BEFORE enabling crtcs */
radeon_pm_compute_clocks(rdev);
/* disable crtc pair power gating before programming */
- if (ASIC_IS_DCE6(rdev))
+ if (ASIC_IS_DCE6(rdev) && !radeon_crtc->in_mode_set)
atombios_powergate_crtc(crtc, ATOM_DISABLE);
atombios_enable_crtc(crtc, ATOM_ENABLE);
if (ASIC_IS_DCE3(rdev) && !ASIC_IS_DCE6(rdev))
@@ -279,7 +279,7 @@ void atombios_crtc_dpms(struct drm_crtc *crtc, int mode)
atombios_enable_crtc(crtc, ATOM_DISABLE);
radeon_crtc->enabled = false;
/* power gating is per-pair */
- if (ASIC_IS_DCE6(rdev)) {
+ if (ASIC_IS_DCE6(rdev) && !radeon_crtc->in_mode_set) {
struct drm_crtc *other_crtc;
struct radeon_crtc *other_radeon_crtc;
list_for_each_entry(other_crtc, &rdev->ddev->mode_config.crtc_list, head) {
@@ -1531,12 +1531,12 @@ static int radeon_atom_pick_pll(struct drm_crtc *crtc)
* crtc virtual pixel clock.
*/
if (ENCODER_MODE_IS_DP(atombios_get_encoder_mode(test_encoder))) {
- if (ASIC_IS_DCE5(rdev))
- return ATOM_DCPLL;
+ if (rdev->clock.dp_extclk)
+ return ATOM_PPLL_INVALID;
else if (ASIC_IS_DCE6(rdev))
return ATOM_PPLL0;
- else if (rdev->clock.dp_extclk)
- return ATOM_PPLL_INVALID;
+ else if (ASIC_IS_DCE5(rdev))
+ return ATOM_DCPLL;
}
}
}
@@ -1635,18 +1635,28 @@ static bool atombios_crtc_mode_fixup(struct drm_crtc *crtc,
static void atombios_crtc_prepare(struct drm_crtc *crtc)
{
struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
+ struct drm_device *dev = crtc->dev;
+ struct radeon_device *rdev = dev->dev_private;
+ radeon_crtc->in_mode_set = true;
/* pick pll */
radeon_crtc->pll_id = radeon_atom_pick_pll(crtc);
+ /* disable crtc pair power gating before programming */
+ if (ASIC_IS_DCE6(rdev))
+ atombios_powergate_crtc(crtc, ATOM_DISABLE);
+
atombios_lock_crtc(crtc, ATOM_ENABLE);
atombios_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
}
static void atombios_crtc_commit(struct drm_crtc *crtc)
{
+ struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
+
atombios_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
atombios_lock_crtc(crtc, ATOM_DISABLE);
+ radeon_crtc->in_mode_set = false;
}
static void atombios_crtc_disable(struct drm_crtc *crtc)