From: Alex Deucher Date: Mon, 8 Jul 2013 21:20:13 +0000 (-0400) Subject: drm/radeon/dpm: fix display_gap programming on rv7xx X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=222dc9a072e27b5069a7c03738e360eafdc2fdf5;p=deliverable%2Flinux.git drm/radeon/dpm: fix display_gap programming on rv7xx Check the driver state rather than the register as the crtc registers may not be enabled yet. Should fix: https://bugzilla.kernel.org/show_bug.cgi?id=60510 https://bugs.freedesktop.org/show_bug.cgi?id=66651 Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/radeon/rv770_dpm.c b/drivers/gpu/drm/radeon/rv770_dpm.c index c3025de4f4e2..4de50c811879 100644 --- a/drivers/gpu/drm/radeon/rv770_dpm.c +++ b/drivers/gpu/drm/radeon/rv770_dpm.c @@ -1341,10 +1341,10 @@ static void rv770_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 {