diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2013-02-05 20:47:09 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-02-28 17:38:34 +0400 |
| commit | f0a3cdd0dba567373c517c6eae29b655e3ba112c (patch) | |
| tree | 59b013f61766fabfe1d8a8981737f540b755438a | |
| parent | 4cd669a49791eb08742f24e0e62128e4d65159d7 (diff) | |
| download | linux-f0a3cdd0dba567373c517c6eae29b655e3ba112c.tar.xz | |
drm/radeon/dce6: fix display powergating
commit 0e3d50bfcbd338254795a700dcff429a96cba1a6 upstream.
Only enable it when we disable the display rather than
at DPMS time since enabling it requires a full modeset
to restore the display state. Fixes blank screens in
certain cases.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/gpu/drm/radeon/atombios_crtc.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c index 9175615bbd8a..21a892c6ab9c 100644 --- a/drivers/gpu/drm/radeon/atombios_crtc.c +++ b/drivers/gpu/drm/radeon/atombios_crtc.c @@ -252,8 +252,6 @@ void atombios_crtc_dpms(struct drm_crtc *crtc, int mode) radeon_crtc->enabled = true; /* adjust pm to dpms changes BEFORE enabling crtcs */ radeon_pm_compute_clocks(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)) atombios_enable_crtc_memreq(crtc, ATOM_ENABLE); @@ -271,8 +269,6 @@ void atombios_crtc_dpms(struct drm_crtc *crtc, int mode) atombios_enable_crtc_memreq(crtc, ATOM_DISABLE); atombios_enable_crtc(crtc, ATOM_DISABLE); radeon_crtc->enabled = false; - if (ASIC_IS_DCE6(rdev) && !radeon_crtc->in_mode_set) - atombios_powergate_crtc(crtc, ATOM_ENABLE); /* adjust pm to dpms changes AFTER disabling crtcs */ radeon_pm_compute_clocks(rdev); break; @@ -1844,6 +1840,8 @@ static void atombios_crtc_disable(struct drm_crtc *crtc) int i; atombios_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); + if (ASIC_IS_DCE6(rdev)) + atombios_powergate_crtc(crtc, ATOM_ENABLE); for (i = 0; i < rdev->num_crtc; i++) { if (rdev->mode_info.crtcs[i] && |