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path: root/drivers/gpu/drm/radeon/radeon_cursor.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_cursor.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_cursor.c38
1 files changed, 22 insertions, 16 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_cursor.c b/drivers/gpu/drm/radeon/radeon_cursor.c
index 0fe56c9f64b..9630e8d95fb 100644
--- a/drivers/gpu/drm/radeon/radeon_cursor.c
+++ b/drivers/gpu/drm/radeon/radeon_cursor.c
@@ -27,9 +27,6 @@
#include <drm/radeon_drm.h>
#include "radeon.h"
-#define CURSOR_WIDTH 64
-#define CURSOR_HEIGHT 64
-
static void radeon_lock_cursor(struct drm_crtc *crtc, bool lock)
{
struct radeon_device *rdev = crtc->dev->dev_private;
@@ -66,24 +63,25 @@ static void radeon_hide_cursor(struct drm_crtc *crtc)
struct radeon_device *rdev = crtc->dev->dev_private;
if (ASIC_IS_DCE4(rdev)) {
- WREG32(RADEON_MM_INDEX, EVERGREEN_CUR_CONTROL + radeon_crtc->crtc_offset);
- WREG32(RADEON_MM_DATA, EVERGREEN_CURSOR_MODE(EVERGREEN_CURSOR_24_8_PRE_MULT) |
- EVERGREEN_CURSOR_URGENT_CONTROL(EVERGREEN_CURSOR_URGENT_1_2));
+ WREG32_IDX(EVERGREEN_CUR_CONTROL + radeon_crtc->crtc_offset,
+ EVERGREEN_CURSOR_MODE(EVERGREEN_CURSOR_24_8_PRE_MULT) |
+ EVERGREEN_CURSOR_URGENT_CONTROL(EVERGREEN_CURSOR_URGENT_1_2));
} else if (ASIC_IS_AVIVO(rdev)) {
- WREG32(RADEON_MM_INDEX, AVIVO_D1CUR_CONTROL + radeon_crtc->crtc_offset);
- WREG32(RADEON_MM_DATA, (AVIVO_D1CURSOR_MODE_24BPP << AVIVO_D1CURSOR_MODE_SHIFT));
+ WREG32_IDX(AVIVO_D1CUR_CONTROL + radeon_crtc->crtc_offset,
+ (AVIVO_D1CURSOR_MODE_24BPP << AVIVO_D1CURSOR_MODE_SHIFT));
} else {
+ u32 reg;
switch (radeon_crtc->crtc_id) {
case 0:
- WREG32(RADEON_MM_INDEX, RADEON_CRTC_GEN_CNTL);
+ reg = RADEON_CRTC_GEN_CNTL;
break;
case 1:
- WREG32(RADEON_MM_INDEX, RADEON_CRTC2_GEN_CNTL);
+ reg = RADEON_CRTC2_GEN_CNTL;
break;
default:
return;
}
- WREG32_P(RADEON_MM_DATA, 0, ~RADEON_CRTC_CUR_EN);
+ WREG32_IDX(reg, RREG32_IDX(reg) & ~RADEON_CRTC_CUR_EN);
}
}
@@ -166,7 +164,8 @@ int radeon_crtc_cursor_set(struct drm_crtc *crtc,
goto unpin;
}
- if ((width > CURSOR_WIDTH) || (height > CURSOR_HEIGHT)) {
+ if ((width > radeon_crtc->max_cursor_width) ||
+ (height > radeon_crtc->max_cursor_height)) {
DRM_ERROR("bad cursor width or height %d x %d\n", width, height);
return -EINVAL;
}
@@ -232,20 +231,27 @@ int radeon_crtc_cursor_move(struct drm_crtc *crtc,
DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
if (x < 0) {
- xorigin = min(-x, CURSOR_WIDTH - 1);
+ xorigin = min(-x, radeon_crtc->max_cursor_width - 1);
x = 0;
}
if (y < 0) {
- yorigin = min(-y, CURSOR_HEIGHT - 1);
+ yorigin = min(-y, radeon_crtc->max_cursor_height - 1);
y = 0;
}
- if (ASIC_IS_AVIVO(rdev)) {
+ /* fixed on DCE6 and newer */
+ if (ASIC_IS_AVIVO(rdev) && !ASIC_IS_DCE6(rdev)) {
int i = 0;
struct drm_crtc *crtc_p;
- /* avivo cursor image can't end on 128 pixel boundary or
+ /*
+ * avivo cursor image can't end on 128 pixel boundary or
* go past the end of the frame if both crtcs are enabled
+ *
+ * NOTE: It is safe to access crtc->enabled of other crtcs
+ * without holding either the mode_config lock or the other
+ * crtc's lock as long as write access to this flag _always_
+ * grabs all locks.
*/
list_for_each_entry(crtc_p, &crtc->dev->mode_config.crtc_list, head) {
if (crtc_p->enabled)