Since GLK, some plane configuration settings have moved to the
PLANE_COLOR_CTL register. Refactor handling of the register to work like
PLANE_CTL. This also allows us to fix the set/read of the plane Alpha
Mode for GLK+.
v2: Adjust ordering of platform checks to be newest->oldest, drop
redundant comment about alpha blending. (Ville)
v3: Move Alpha Mode bits out of skl_plane_ctl_format into
skl_plane_ctl_alpha, and drop glk_plane_ctl_format, drop initialization
of state->color_ctl on platforms that don't use it, and drop color_ctl
local var. (Ville)
v4: Consolidate skl_plane_ctl_format switch statement on formats that
return the same settings. (Ville)
Signed-off-by: James Ausmus <james.ausmus@xxxxxxxxx>
Cc: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx>
Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Reviewed-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/i915_reg.h | 12 ++++--
drivers/gpu/drm/i915/intel_display.c | 73 ++++++++++++++++++++++++++++--------
drivers/gpu/drm/i915/intel_drv.h | 5 +++
drivers/gpu/drm/i915/intel_sprite.c | 11 +++---
4 files changed, 76 insertions(+), 25 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 6ef33422f762..8e76fb91b306 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -6264,7 +6264,7 @@ enum {
#define _PLANE_CTL_2_A 0x70280
#define _PLANE_CTL_3_A 0x70380
#define PLANE_CTL_ENABLE (1 << 31)
-#define PLANE_CTL_PIPE_GAMMA_ENABLE (1 << 30)
+#define PLANE_CTL_PIPE_GAMMA_ENABLE (1 << 30) /* Pre-GLK */
#define PLANE_CTL_FORMAT_MASK (0xf << 24)
#define PLANE_CTL_FORMAT_YUV422 ( 0 << 24)
#define PLANE_CTL_FORMAT_NV12 ( 1 << 24)
@@ -6274,7 +6274,7 @@ enum {
#define PLANE_CTL_FORMAT_AYUV ( 8 << 24)
#define PLANE_CTL_FORMAT_INDEXED ( 12 << 24)
#define PLANE_CTL_FORMAT_RGB_565 ( 14 << 24)
-#define PLANE_CTL_PIPE_CSC_ENABLE (1 << 23)
+#define PLANE_CTL_PIPE_CSC_ENABLE (1 << 23) /* Pre-GLK */
#define PLANE_CTL_KEY_ENABLE_MASK (0x3 << 21)
#define PLANE_CTL_KEY_ENABLE_SOURCE ( 1 << 21)
#define PLANE_CTL_KEY_ENABLE_DESTINATION ( 2 << 21)
@@ -6287,13 +6287,13 @@ enum {
#define PLANE_CTL_YUV422_VYUY ( 3 << 16)
#define PLANE_CTL_DECOMPRESSION_ENABLE (1 << 15)
#define PLANE_CTL_TRICKLE_FEED_DISABLE (1 << 14)
-#define PLANE_CTL_PLANE_GAMMA_DISABLE (1 << 13)
+#define PLANE_CTL_PLANE_GAMMA_DISABLE (1 << 13) /* Pre-GLK */
#define PLANE_CTL_TILED_MASK (0x7 << 10)
#define PLANE_CTL_TILED_LINEAR ( 0 << 10)
#define PLANE_CTL_TILED_X ( 1 << 10)
#define PLANE_CTL_TILED_Y ( 4 << 10)
#define PLANE_CTL_TILED_YF ( 5 << 10)
-#define PLANE_CTL_ALPHA_MASK (0x3 << 4)
+#define PLANE_CTL_ALPHA_MASK (0x3 << 4) /* Pre-GLK */
#define PLANE_CTL_ALPHA_DISABLE ( 0 << 4)
#define PLANE_CTL_ALPHA_SW_PREMULTIPLY ( 2 << 4)
#define PLANE_CTL_ALPHA_HW_PREMULTIPLY ( 3 << 4)
@@ -6333,6 +6333,10 @@ enum {
#define PLANE_COLOR_PIPE_GAMMA_ENABLE (1 << 30)
#define PLANE_COLOR_PIPE_CSC_ENABLE (1 << 23)
#define PLANE_COLOR_PLANE_GAMMA_DISABLE (1 << 13)
+#define PLANE_COLOR_ALPHA_MASK (0x3 << 4)
+#define PLANE_COLOR_ALPHA_DISABLE (0 << 4)
+#define PLANE_COLOR_ALPHA_SW_PREMULTIPLY (2 << 4)
+#define PLANE_COLOR_ALPHA_HW_PREMULTIPLY (3 << 4)
#define _PLANE_BUF_CFG_1_A 0x7027c
#define _PLANE_BUF_CFG_2_A 0x7037c
#define _PLANE_NV12_BUF_CFG_1_A 0x70278
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 5c7540f3f5dc..dd552d79ebaf 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -3432,20 +3432,11 @@ static u32 skl_plane_ctl_format(uint32_t pixel_format)
case DRM_FORMAT_RGB565:
return PLANE_CTL_FORMAT_RGB_565;
case DRM_FORMAT_XBGR8888:
+ case DRM_FORMAT_ABGR8888:
return PLANE_CTL_FORMAT_XRGB_8888 | PLANE_CTL_ORDER_RGBX;
case DRM_FORMAT_XRGB8888:
- return PLANE_CTL_FORMAT_XRGB_8888;
- /*
- * XXX: For ARBG/ABGR formats we default to expecting scanout buffers
- * to be already pre-multiplied. We need to add a knob (or a different
- * DRM_FORMAT) for user-space to configure that.
- */
- case DRM_FORMAT_ABGR8888:
- return PLANE_CTL_FORMAT_XRGB_8888 | PLANE_CTL_ORDER_RGBX |
- PLANE_CTL_ALPHA_SW_PREMULTIPLY;
case DRM_FORMAT_ARGB8888:
- return PLANE_CTL_FORMAT_XRGB_8888 |
- PLANE_CTL_ALPHA_SW_PREMULTIPLY;
+ return PLANE_CTL_FORMAT_XRGB_8888;
case DRM_FORMAT_XRGB2101010:
return PLANE_CTL_FORMAT_XRGB_2101010;
case DRM_FORMAT_XBGR2101010:
@@ -3465,6 +3456,33 @@ static u32 skl_plane_ctl_format(uint32_t pixel_format)
return 0;
}
+/*
+ * XXX: For ARBG/ABGR formats we default to expecting scanout buffers
+ * to be already pre-multiplied. We need to add a knob (or a different
+ * DRM_FORMAT) for user-space to configure that.
+ */
+static u32 skl_plane_ctl_alpha(uint32_t pixel_format)
+{
+ switch (pixel_format) {
+ case DRM_FORMAT_ABGR8888:
+ case DRM_FORMAT_ARGB8888:
+ return PLANE_CTL_ALPHA_SW_PREMULTIPLY;
+ default:
+ return PLANE_CTL_ALPHA_DISABLE;
+ }
+}
+
+static u32 glk_plane_color_ctl_alpha(uint32_t pixel_format)
+{
+ switch (pixel_format) {
+ case DRM_FORMAT_ABGR8888:
+ case DRM_FORMAT_ARGB8888:
+ return PLANE_COLOR_ALPHA_SW_PREMULTIPLY;
+ default:
+ return PLANE_COLOR_ALPHA_DISABLE;
+ }
+}
+
static u32 skl_plane_ctl_tiling(uint64_t fb_modifier)
{
switch (fb_modifier) {
@@ -3521,7 +3539,8 @@ u32 skl_plane_ctl(const struct intel_crtc_state *crtc_state,
plane_ctl = PLANE_CTL_ENABLE;
- if (!IS_GEMINILAKE(dev_priv) && !IS_CANNONLAKE(dev_priv)) {
+ if (INTEL_GEN(dev_priv) < 10 && !IS_GEMINILAKE(dev_priv)) {
+ plane_ctl |= skl_plane_ctl_alpha(fb->format->format);
plane_ctl |=
PLANE_CTL_PIPE_GAMMA_ENABLE |
PLANE_CTL_PIPE_CSC_ENABLE |
@@ -3540,6 +3559,20 @@ u32 skl_plane_ctl(const struct intel_crtc_state *crtc_state,
return plane_ctl;
}
+u32 glk_plane_color_ctl(const struct intel_crtc_state *crtc_state,
+ const struct intel_plane_state *plane_state)
+{
+ const struct drm_framebuffer *fb = plane_state->base.fb;
+ u32 plane_color_ctl = 0;
+
+ plane_color_ctl |= PLANE_COLOR_PIPE_GAMMA_ENABLE;
+ plane_color_ctl |= PLANE_COLOR_PIPE_CSC_ENABLE;
+ plane_color_ctl |= PLANE_COLOR_PLANE_GAMMA_DISABLE;
+ plane_color_ctl |= glk_plane_color_ctl_alpha(fb->format->format);
+
+ return plane_color_ctl;
+}
+
static int
__intel_display_resume(struct drm_device *dev,
struct drm_atomic_state *state,
@@ -8426,7 +8459,7 @@ skylake_get_initial_plane_config(struct intel_crtc *crtc,
{
struct drm_device *dev = crtc->base.dev;
struct drm_i915_private *dev_priv = to_i915(dev);
- u32 val, base, offset, stride_mult, tiling;
+ u32 val, base, offset, stride_mult, tiling, alpha;
int pipe = crtc->pipe;
int fourcc, pixel_format;
unsigned int aligned_height;
@@ -8448,9 +8481,16 @@ skylake_get_initial_plane_config(struct intel_crtc *crtc,
goto error;
pixel_format = val & PLANE_CTL_FORMAT_MASK;
+
+ if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv)) {
+ alpha = I915_READ(PLANE_COLOR_CTL(pipe, 0));
+ alpha &= PLANE_COLOR_ALPHA_MASK;
+ } else {
+ alpha = val & PLANE_CTL_ALPHA_MASK;
+ }
+
fourcc = skl_format_to_fourcc(pixel_format,
- val & PLANE_CTL_ORDER_RGBX,
- val & PLANE_CTL_ALPHA_MASK);
+ val & PLANE_CTL_ORDER_RGBX, alpha);
fb->format = drm_format_info(fourcc);
tiling = val & PLANE_CTL_TILED_MASK;
@@ -12831,6 +12871,9 @@ intel_check_primary_plane(struct intel_plane *plane,
state->ctl = i9xx_plane_ctl(crtc_state, state);
}
+ if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv))
+ state->color_ctl = glk_plane_color_ctl(crtc_state, state);
+
return 0;
}
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index a0a5cead868c..84a8d4b193b4 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -425,6 +425,9 @@ struct intel_plane_state {
/* plane control register */
u32 ctl;
+ /* plane color control register */
+ u32 color_ctl;
+
/*
* scaler_id
* = -1 : not using a scaler
@@ -1503,6 +1506,8 @@ static inline u32 intel_plane_ggtt_offset(const struct intel_plane_state *state)
return i915_ggtt_offset(state->vma);
}
+u32 glk_plane_color_ctl(const struct intel_crtc_state *crtc_state,
+ const struct intel_plane_state *plane_state);
u32 skl_plane_ctl(const struct intel_crtc_state *crtc_state,
const struct intel_plane_state *plane_state);
u32 skl_plane_stride(const struct drm_framebuffer *fb, int plane,
diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
index 4fcf80ca91dd..ce615704982a 100644
--- a/drivers/gpu/drm/i915/intel_sprite.c
+++ b/drivers/gpu/drm/i915/intel_sprite.c
@@ -263,13 +263,9 @@ skl_update_plane(struct intel_plane *plane,
spin_lock_irqsave(&dev_priv->uncore.lock, irqflags);
- if (IS_GEMINILAKE(dev_priv) || IS_CANNONLAKE(dev_priv)) {
+ if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv))
I915_WRITE_FW(PLANE_COLOR_CTL(pipe, plane_id),
- PLANE_COLOR_PIPE_GAMMA_ENABLE |
- PLANE_COLOR_PIPE_CSC_ENABLE |
- PLANE_COLOR_PLANE_GAMMA_DISABLE);
- }
-
+ plane_state->color_ctl);
if (key->flags) {
I915_WRITE_FW(PLANE_KEYVAL(pipe, plane_id), key->min_value);
I915_WRITE_FW(PLANE_KEYMAX(pipe, plane_id), key->max_value);
@@ -978,6 +974,9 @@ intel_check_sprite_plane(struct intel_plane *plane,
state->ctl = g4x_sprite_ctl(crtc_state, state);
}
+ if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv))
+ state->color_ctl = glk_plane_color_ctl(crtc_state, state);
+
return 0;
}
--
2.14.1
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