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drm/mgag200: Set cursor scanout address to correct BO

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The hardware requires the correct memory address of the buffer. Currently
the same BO's address is programmed unconditionally, so only every second
cursor update actually becomes visible.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Fixes: 94dc57b103 ("drm/mgag200: Rewrite cursor handling")
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190723075425.24028-3-tzimmermann@suse.de
This commit is contained in:
Thomas Zimmermann 2019-07-23 09:54:24 +02:00
parent a0fd72d2c9
commit cf578c8c8e
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/mgag200/mgag200_cursor.c
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@ -112,7 +112,7 @@ int mga_crtc_cursor_set(struct drm_crtc *crtc,
"failed to kmap cursor updates: %d\n", ret);
goto err_drm_gem_vram_unpin_dst;
}
gpu_addr = drm_gem_vram_offset(pixels_2);
gpu_addr = drm_gem_vram_offset(pixels_next);
if (gpu_addr < 0) {
ret = (int)gpu_addr;
dev_err(&dev->pdev->dev,