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drm/radeon/kms: viewport height has to be even

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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>
This commit is contained in:
Alex Deucher 2011-05-27 10:05:03 -04:00 committed by Dave Airlie
parent 8a5617bdc1
commit adcfde516e
1 changed files with 8 additions and 4 deletions
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12
drivers/gpu/drm/radeon/atombios_crtc.c
View file

@ -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 */