This is a note to let you know that I've just added the patch titled
drm/radeon/kms: viewport height has to be even
to the 2.6.39-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-radeon-kms-viewport-height-has-to-be-even.patch
and it can be found in the queue-2.6.39 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From adcfde516e10aad72d66f6fefd36e6d0e6bd7be7 Mon Sep 17 00:00:00 2001
From: Alex Deucher <[email protected]>
Date: Fri, 27 May 2011 10:05:03 -0400
Subject: drm/radeon/kms: viewport height has to be even
From: Alex Deucher <[email protected]>
commit adcfde516e10aad72d66f6fefd36e6d0e6bd7be7 upstream.
Otherwise, no vblank interrupts.
Fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=37522
Signed-off-by: Alex Deucher <[email protected]>
Signed-off-by: Dave Airlie <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/gpu/drm/radeon/atombios_crtc.c | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -1011,7 +1011,7 @@ static int dce4_crtc_do_set_base(struct
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 */
@@ -1137,8 +1137,10 @@ static int dce4_crtc_do_set_base(struct
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 */
@@ -1179,7 +1181,7 @@ static int avivo_crtc_do_set_base(struct
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 */
@@ -1304,8 +1306,10 @@ static int avivo_crtc_do_set_base(struct
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 */
Patches currently in stable-queue which might be from [email protected] are
queue-2.6.39/drm-radeon-kms-fix-for-radeon-on-systems-4gb-without.patch
queue-2.6.39/drm-radeon-kms-viewport-height-has-to-be-even.patch
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