diff options
| author | Alex Deucher <alexdeucher@gmail.com> | 2011-05-27 10:05:03 -0400 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2011-06-02 10:48:59 +1000 |
| commit | adcfde516e10aad72d66f6fefd36e6d0e6bd7be7 (patch) | |
| tree | 5ace80702fe4036c7a40927e88b646e51d4b735b /drivers/gpu | |
| parent | 8a5617bdc111aa7ba49c81fa694fde63d3474f94 (diff) | |
drm/radeon/kms: viewport height has to be even
Otherwise, no vblank interrupts.
Fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=37522
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/radeon/atombios_crtc.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c index ec848787d7d9..84a69e7fa11e 100644 --- a/drivers/gpu/drm/radeon/atombios_crtc.c +++ b/drivers/gpu/drm/radeon/atombios_crtc.c @@ -1045,7 +1045,7 @@ static int dce4_crtc_do_set_base(struct drm_crtc *crtc, uint64_t fb_location; uint32_t fb_format, fb_pitch_pixels, tiling_flags; u32 fb_swap = EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_NONE); - u32 tmp; + u32 tmp, viewport_w, viewport_h; int r; /* no fb bound */ @@ -1171,8 +1171,10 @@ static int dce4_crtc_do_set_base(struct drm_crtc *crtc, y &= ~1; WREG32(EVERGREEN_VIEWPORT_START + radeon_crtc->crtc_offset, (x << 16) | y); + viewport_w = crtc->mode.hdisplay; + viewport_h = (crtc->mode.vdisplay + 1) & ~1; WREG32(EVERGREEN_VIEWPORT_SIZE + radeon_crtc->crtc_offset, - (crtc->mode.hdisplay << 16) | crtc->mode.vdisplay); + (viewport_w << 16) | viewport_h); /* pageflip setup */ /* make sure flip is at vb rather than hb */ @@ -1213,7 +1215,7 @@ static int avivo_crtc_do_set_base(struct drm_crtc *crtc, uint64_t fb_location; uint32_t fb_format, fb_pitch_pixels, tiling_flags; u32 fb_swap = R600_D1GRPH_SWAP_ENDIAN_NONE; - u32 tmp; + u32 tmp, viewport_w, viewport_h; int r; /* no fb bound */ @@ -1338,8 +1340,10 @@ static int avivo_crtc_do_set_base(struct drm_crtc *crtc, y &= ~1; WREG32(AVIVO_D1MODE_VIEWPORT_START + radeon_crtc->crtc_offset, (x << 16) | y); + viewport_w = crtc->mode.hdisplay; + viewport_h = (crtc->mode.vdisplay + 1) & ~1; WREG32(AVIVO_D1MODE_VIEWPORT_SIZE + radeon_crtc->crtc_offset, - (crtc->mode.hdisplay << 16) | crtc->mode.vdisplay); + (viewport_w << 16) | viewport_h); /* pageflip setup */ /* make sure flip is at vb rather than hb */ |