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authorKristian Høgsberg <krh@redhat.com>2008-12-17 22:14:59 -0500
committerDave Airlie <airlied@linux.ie>2009-01-07 11:49:43 +1000
commit3f8bc370ac679a5fe5c098f30d3cf8e80f62a9f8 (patch)
treee8031b491acc957da7c3e4d99688cf755d7ecfba /drivers/gpu/drm/i915/intel_display.c
parent9bb2d6f94aeb9a185d69aedbd19421b6da4e3309 (diff)
drm/i915: Pin cursor bo and unpin old bo when setting cursor.
We also didn't track the cursor bo before and would leak a reference when the cursor image was change. Signed-off-by: Kristian Høgsberg <krh@redhat.com> Signed-off-by: Eric Anholt <eric@anholt.net> Signed-off-by: Dave Airlie <airlied@linux.ie>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_display.c')
-rw-r--r--drivers/gpu/drm/i915/intel_display.c29
1 files changed, 21 insertions, 8 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index e5c1c80d1f90..1204d26b50db 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -986,19 +986,17 @@ static int intel_crtc_cursor_set(struct drm_crtc *crtc,
uint32_t base = (pipe == 0) ? CURABASE : CURBBASE;
uint32_t temp;
size_t addr;
+ int ret;
DRM_DEBUG("\n");
/* if we want to turn off the cursor ignore width and height */
if (!handle) {
DRM_DEBUG("cursor off\n");
- /* turn of the cursor */
- temp = 0;
- temp |= CURSOR_MODE_DISABLE;
-
- I915_WRITE(control, temp);
- I915_WRITE(base, 0);
- return 0;
+ temp = CURSOR_MODE_DISABLE;
+ addr = 0;
+ bo = NULL;
+ goto finish;
}
/* Currently we only support 64x64 cursors */
@@ -1025,15 +1023,30 @@ static int intel_crtc_cursor_set(struct drm_crtc *crtc,
addr = obj_priv->gtt_offset;
}
- intel_crtc->cursor_addr = addr;
+ ret = i915_gem_object_pin(bo, PAGE_SIZE);
+ if (ret) {
+ DRM_ERROR("failed to pin cursor bo\n");
+ drm_gem_object_unreference(bo);
+ return ret;
+ }
+
temp = 0;
/* set the pipe for the cursor */
temp |= (pipe << 28);
temp |= CURSOR_MODE_64_ARGB_AX | MCURSOR_GAMMA_ENABLE;
+ finish:
I915_WRITE(control, temp);
I915_WRITE(base, addr);
+ if (intel_crtc->cursor_bo) {
+ i915_gem_object_unpin(intel_crtc->cursor_bo);
+ drm_gem_object_unreference(intel_crtc->cursor_bo);
+ }
+
+ intel_crtc->cursor_addr = addr;
+ intel_crtc->cursor_bo = bo;
+
return 0;
}

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