From: Sagar Kamble <sagar.a.kamble@xxxxxxxxx>
With this patch we allow larger cursor planes of sizes 128x128
and 256x256.
v2: Added more precise check on size while setting cursor plane.
v3: Changes related to restructuring cursor size restrictions
and DRM_DEBUG usage.
Testcase: igt/kms_cursor_crc
Cc: Daniel Vetter <daniel.vetter@xxxxxxxx>
Cc: Jani Nikula <jani.nikula@xxxxxxxxxxxxxxx>
Cc: David Airlie <airlied@xxxxxxxx>
Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
Signed-off-by: G, Pallavi <pallavi.g@xxxxxxxxx>
Signed-off-by: Sagar Kamble <sagar.a.kamble@xxxxxxxxx>
---
drivers/gpu/drm/i915/i915_reg.h | 4 ++++
drivers/gpu/drm/i915/intel_display.c | 36 +++++++++++++++++++++++++++++++-----
2 files changed, 35 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 146609a..aee8258 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -3551,7 +3551,11 @@ enum punit_power_well {
/* New style CUR*CNTR flags */
#define CURSOR_MODE 0x27
#define CURSOR_MODE_DISABLE 0x00
+#define CURSOR_MODE_128_32B_AX 0x02
+#define CURSOR_MODE_256_32B_AX 0x03
#define CURSOR_MODE_64_32B_AX 0x07
+#define CURSOR_MODE_128_ARGB_AX ((1 << 5) | CURSOR_MODE_128_32B_AX)
+#define CURSOR_MODE_256_ARGB_AX ((1 << 5) | CURSOR_MODE_256_32B_AX)
#define CURSOR_MODE_64_ARGB_AX ((1 << 5) | CURSOR_MODE_64_32B_AX)
#define MCURSOR_PIPE_SELECT (1 << 28)
#define MCURSOR_PIPE_A 0x00
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 0868afb..e59e8fd 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -7440,10 +7440,22 @@ static void i9xx_update_cursor(struct drm_crtc *crtc, u32 base)
bool visible = base != 0;
if (intel_crtc->cursor_visible != visible) {
+ int16_t width = intel_crtc->cursor_width;
uint32_t cntl = I915_READ(CURCNTR(pipe));
if (base) {
cntl &= ~(CURSOR_MODE | MCURSOR_PIPE_SELECT);
- cntl |= CURSOR_MODE_64_ARGB_AX | MCURSOR_GAMMA_ENABLE;
+
+ switch (width) {
+ case 64:
+ cntl |= CURSOR_MODE_64_ARGB_AX | MCURSOR_GAMMA_ENABLE;
+ break;
+ case 128:
+ cntl |= CURSOR_MODE_128_ARGB_AX | MCURSOR_GAMMA_ENABLE;
+ break;
+ case 256:
+ cntl |= CURSOR_MODE_256_ARGB_AX | MCURSOR_GAMMA_ENABLE;
+ break;
+ }
cntl |= pipe << 28; /* Connect to correct pipe */
} else {
cntl &= ~(CURSOR_MODE | MCURSOR_GAMMA_ENABLE);
@@ -7468,10 +7480,22 @@ static void ivb_update_cursor(struct drm_crtc *crtc, u32 base)
bool visible = base != 0;
if (intel_crtc->cursor_visible != visible) {
+ int16_t width = intel_crtc->cursor_width;
uint32_t cntl = I915_READ(CURCNTR_IVB(pipe));
if (base) {
cntl &= ~CURSOR_MODE;
- cntl |= CURSOR_MODE_64_ARGB_AX | MCURSOR_GAMMA_ENABLE;
+
+ switch (width) {
+ case 64:
+ cntl |= CURSOR_MODE_64_ARGB_AX | MCURSOR_GAMMA_ENABLE;
+ break;
+ case 128:
+ cntl |= CURSOR_MODE_128_ARGB_AX | MCURSOR_GAMMA_ENABLE;
+ break;
+ case 256:
+ cntl |= CURSOR_MODE_256_ARGB_AX | MCURSOR_GAMMA_ENABLE;
+ break;
+ }
} else {
cntl &= ~(CURSOR_MODE | MCURSOR_GAMMA_ENABLE);
cntl |= CURSOR_MODE_DISABLE;
@@ -7567,9 +7591,11 @@ static int intel_crtc_cursor_set(struct drm_crtc *crtc,
goto finish;
}
- /* Currently we only support 64x64 cursors */
- if (width != 64 || height != 64) {
- DRM_ERROR("we currently only support 64x64 cursors\n");
+ /* Check for which cursor types we support */
+ if (!((width == 64 && height == 64) ||
+ (width == 128 && height == 128 && !IS_GEN2(dev)) ||
+ (width == 256 && height == 256 && !IS_GEN2(dev)))) {
+ DRM_DEBUG("Cursor dimension not supported\n");
return -EINVAL;
}
--
1.8.5
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