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drm/radeon/dpm: fix displaygap programming on rv6xx 

Need to use the driver state rather than the register
state since the displays may not be enabled when the
power state is programmed.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
hifive-unleashed-5.1
Alex Deucher 2013-07-25 18:29:14 -04:00
parent e3c736fe47
commit 2333a003a8
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/radeon/rv6xx_dpm.c
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@ -1182,10 +1182,10 @@ static void rv6xx_program_display_gap(struct radeon_device *rdev)
u32 tmp = RREG32(CG_DISPLAY_GAP_CNTL);
tmp &= ~(DISP1_GAP_MCHG_MASK | DISP2_GAP_MCHG_MASK);
if (RREG32(AVIVO_D1CRTC_CONTROL) & AVIVO_CRTC_EN) {
if (rdev->pm.dpm.new_active_crtcs & 1) {
tmp |= DISP1_GAP_MCHG(R600_PM_DISPLAY_GAP_VBLANK);
tmp |= DISP2_GAP_MCHG(R600_PM_DISPLAY_GAP_IGNORE);
} else if (RREG32(AVIVO_D2CRTC_CONTROL) & AVIVO_CRTC_EN) {
} else if (rdev->pm.dpm.new_active_crtcs & 2) {
tmp |= DISP1_GAP_MCHG(R600_PM_DISPLAY_GAP_IGNORE);
tmp |= DISP2_GAP_MCHG(R600_PM_DISPLAY_GAP_VBLANK);
} else {