diff options
-rw-r--r-- | drivers/gpu/drm/i915/display/intel_display.c | 176 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/display/intel_display.h | 1 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/display/intel_display_types.h | 6 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/display/intel_sprite.c | 55 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/i915_reg.h | 1 |
5 files changed, 188 insertions, 51 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index c4cbbd8f3fa4..2642475e4851 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -1945,7 +1945,9 @@ static bool is_ccs_plane(const struct drm_framebuffer *fb, int plane) static bool is_gen12_ccs_modifier(u64 modifier) { - return modifier == I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS; + return modifier == I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS || + modifier == I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS; + } static bool is_gen12_ccs_plane(const struct drm_framebuffer *fb, int plane) @@ -1978,8 +1980,7 @@ static int ccs_to_main_plane(const struct drm_framebuffer *fb, int ccs_plane) } /* Return either the main plane's CCS or - if not a CCS FB - UV plane */ -static int -intel_main_to_aux_plane(const struct drm_framebuffer *fb, int main_plane) +int intel_main_to_aux_plane(const struct drm_framebuffer *fb, int main_plane) { if (is_ccs_modifier(fb->modifier)) return main_to_ccs_plane(fb, main_plane); @@ -2021,6 +2022,7 @@ intel_tile_width_bytes(const struct drm_framebuffer *fb, int color_plane) return 128; /* fall through */ case I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS: + case I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS: if (is_ccs_plane(fb, color_plane)) return 64; /* fall through */ @@ -2171,6 +2173,10 @@ static unsigned int intel_surf_alignment(const struct drm_framebuffer *fb, if (INTEL_GEN(dev_priv) >= 9) return 256 * 1024; return 0; + case I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS: + if (is_semiplanar_uv_plane(fb, color_plane)) + return intel_tile_row_size(fb, color_plane); + /* Fall-through */ case I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS: return 16 * 1024; case I915_FORMAT_MOD_Y_TILED_CCS: @@ -2574,6 +2580,7 @@ static unsigned int intel_fb_modifier_to_tiling(u64 fb_modifier) case I915_FORMAT_MOD_Y_TILED: case I915_FORMAT_MOD_Y_TILED_CCS: case I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS: + case I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS: return I915_TILING_Y; default: return I915_TILING_NONE; @@ -2625,6 +2632,30 @@ static const struct drm_format_info gen12_ccs_formats[] = { { .format = DRM_FORMAT_ABGR8888, .depth = 32, .num_planes = 2, .char_per_block = { 4, 1 }, .block_w = { 1, 2 }, .block_h = { 1, 1 }, .hsub = 1, .vsub = 1, .has_alpha = true }, + { .format = DRM_FORMAT_YUYV, .num_planes = 2, + .char_per_block = { 2, 1 }, .block_w = { 1, 2 }, .block_h = { 1, 1 }, + .hsub = 2, .vsub = 1, .is_yuv = true }, + { .format = DRM_FORMAT_YVYU, .num_planes = 2, + .char_per_block = { 2, 1 }, .block_w = { 1, 2 }, .block_h = { 1, 1 }, + .hsub = 2, .vsub = 1, .is_yuv = true }, + { .format = DRM_FORMAT_UYVY, .num_planes = 2, + .char_per_block = { 2, 1 }, .block_w = { 1, 2 }, .block_h = { 1, 1 }, + .hsub = 2, .vsub = 1, .is_yuv = true }, + { .format = DRM_FORMAT_VYUY, .num_planes = 2, + .char_per_block = { 2, 1 }, .block_w = { 1, 2 }, .block_h = { 1, 1 }, + .hsub = 2, .vsub = 1, .is_yuv = true }, + { .format = DRM_FORMAT_NV12, .num_planes = 4, + .char_per_block = { 1, 2, 1, 1 }, .block_w = { 1, 1, 4, 4 }, .block_h = { 1, 1, 1, 1 }, + .hsub = 2, .vsub = 2, .is_yuv = true }, + { .format = DRM_FORMAT_P010, .num_planes = 4, + .char_per_block = { 2, 4, 1, 1 }, .block_w = { 1, 1, 2, 2 }, .block_h = { 1, 1, 1, 1 }, + .hsub = 2, .vsub = 2, .is_yuv = true }, + { .format = DRM_FORMAT_P012, .num_planes = 4, + .char_per_block = { 2, 4, 1, 1 }, .block_w = { 1, 1, 2, 2 }, .block_h = { 1, 1, 1, 1 }, + .hsub = 2, .vsub = 2, .is_yuv = true }, + { .format = DRM_FORMAT_P016, .num_planes = 4, + .char_per_block = { 2, 4, 1, 1 }, .block_w = { 1, 1, 2, 2 }, .block_h = { 1, 1, 1, 1 }, + .hsub = 2, .vsub = 2, .is_yuv = true }, }; static const struct drm_format_info * @@ -2651,6 +2682,7 @@ intel_get_format_info(const struct drm_mode_fb_cmd2 *cmd) ARRAY_SIZE(skl_ccs_formats), cmd->pixel_format); case I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS: + case I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS: return lookup_format_info(gen12_ccs_formats, ARRAY_SIZE(gen12_ccs_formats), cmd->pixel_format); @@ -2662,6 +2694,7 @@ intel_get_format_info(const struct drm_mode_fb_cmd2 *cmd) bool is_ccs_modifier(u64 modifier) { return modifier == I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS || + modifier == I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS || modifier == I915_FORMAT_MOD_Y_TILED_CCS || modifier == I915_FORMAT_MOD_Yf_TILED_CCS; } @@ -2735,7 +2768,7 @@ intel_fb_stride_alignment(const struct drm_framebuffer *fb, int color_plane) } tile_width = intel_tile_width_bytes(fb, color_plane); - if (is_ccs_modifier(fb->modifier) && color_plane == 0) { + if (is_ccs_modifier(fb->modifier)) { /* * Display WA #0531: skl,bxt,kbl,glk * @@ -2745,7 +2778,7 @@ intel_fb_stride_alignment(const struct drm_framebuffer *fb, int color_plane) * require the entire fb to accommodate that to avoid * potential runtime errors at plane configuration time. */ - if (IS_GEN(dev_priv, 9) && fb->width > 3840) + if (IS_GEN(dev_priv, 9) && color_plane == 0 && fb->width > 3840) tile_width *= 4; /* * The main surface pitch must be padded to a multiple of four @@ -3639,6 +3672,7 @@ static int skl_max_plane_width(const struct drm_framebuffer *fb, return 5120; case I915_FORMAT_MOD_Y_TILED_CCS: case I915_FORMAT_MOD_Yf_TILED_CCS: + case I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS: /* FIXME AUX plane? */ case I915_FORMAT_MOD_Y_TILED: case I915_FORMAT_MOD_Yf_TILED: @@ -3697,11 +3731,12 @@ static int icl_max_plane_height(void) return 4320; } -static bool skl_check_main_ccs_coordinates(struct intel_plane_state *plane_state, - int main_x, int main_y, u32 main_offset) +static bool +skl_check_main_ccs_coordinates(struct intel_plane_state *plane_state, + int main_x, int main_y, u32 main_offset, + int ccs_plane) { const struct drm_framebuffer *fb = plane_state->hw.fb; - int ccs_plane = main_to_ccs_plane(fb, 0); int aux_x = plane_state->color_plane[ccs_plane].x; int aux_y = plane_state->color_plane[ccs_plane].y; u32 aux_offset = plane_state->color_plane[ccs_plane].offset; @@ -3815,7 +3850,8 @@ static int skl_check_main_surface(struct intel_plane_state *plane_state) * they match with the main surface x/y offsets. */ if (is_ccs_modifier(fb->modifier)) { - while (!skl_check_main_ccs_coordinates(plane_state, x, y, offset)) { + while (!skl_check_main_ccs_coordinates(plane_state, x, y, + offset, aux_plane)) { if (offset == 0) break; @@ -3848,7 +3884,8 @@ static int skl_check_nv12_aux_surface(struct intel_plane_state *plane_state) { const struct drm_framebuffer *fb = plane_state->hw.fb; unsigned int rotation = plane_state->hw.rotation; - int max_width = skl_max_plane_width(fb, 1, rotation); + int uv_plane = 1; + int max_width = skl_max_plane_width(fb, uv_plane, rotation); int max_height = 4096; int x = plane_state->uapi.src.x1 >> 17; int y = plane_state->uapi.src.y1 >> 17; @@ -3856,8 +3893,9 @@ static int skl_check_nv12_aux_surface(struct intel_plane_state *plane_state) int h = drm_rect_height(&plane_state->uapi.src) >> 17; u32 offset; - intel_add_fb_offsets(&x, &y, plane_state, 1); - offset = intel_plane_compute_aligned_offset(&x, &y, plane_state, 1); + intel_add_fb_offsets(&x, &y, plane_state, uv_plane); + offset = intel_plane_compute_aligned_offset(&x, &y, + plane_state, uv_plane); /* FIXME not quite sure how/if these apply to the chroma plane */ if (w > max_width || h > max_height) { @@ -3866,9 +3904,39 @@ static int skl_check_nv12_aux_surface(struct intel_plane_state *plane_state) return -EINVAL; } - plane_state->color_plane[1].offset = offset; - plane_state->color_plane[1].x = x; - plane_state->color_plane[1].y = y; + if (is_ccs_modifier(fb->modifier)) { + int ccs_plane = main_to_ccs_plane(fb, uv_plane); + int aux_offset = plane_state->color_plane[ccs_plane].offset; + int alignment = intel_surf_alignment(fb, uv_plane); + + if (offset > aux_offset) + offset = intel_plane_adjust_aligned_offset(&x, &y, + plane_state, + uv_plane, + offset, + aux_offset & ~(alignment - 1)); + + while (!skl_check_main_ccs_coordinates(plane_state, x, y, + offset, ccs_plane)) { + if (offset == 0) + break; + + offset = intel_plane_adjust_aligned_offset(&x, &y, + plane_state, + uv_plane, + offset, offset - alignment); + } + + if (x != plane_state->color_plane[ccs_plane].x || + y != plane_state->color_plane[ccs_plane].y) { + DRM_DEBUG_KMS("Unable to find suitable display surface offset due to CCS\n"); + return -EINVAL; + } + } + + plane_state->color_plane[uv_plane].offset = offset; + plane_state->color_plane[uv_plane].x = x; + plane_state->color_plane[uv_plane].y = y; return 0; } @@ -3878,21 +3946,40 @@ static int skl_check_ccs_aux_surface(struct intel_plane_state *plane_state) const struct drm_framebuffer *fb = plane_state->hw.fb; int src_x = plane_state->uapi.src.x1 >> 16; int src_y = plane_state->uapi.src.y1 >> 16; - int hsub; - int vsub; - int x; - int y; u32 offset; + int ccs_plane; + + for (ccs_plane = 0; ccs_plane < fb->format->num_planes; ccs_plane++) { + int main_hsub, main_vsub; + int hsub, vsub; + int x, y; - intel_fb_plane_get_subsampling(&hsub, &vsub, fb, 1); - x = src_x / hsub; - y = src_y / vsub; - intel_add_fb_offsets(&x, &y, plane_state, 1); - offset = intel_plane_compute_aligned_offset(&x, &y, plane_state, 1); + if (!is_ccs_plane(fb, ccs_plane)) + continue; + + intel_fb_plane_get_subsampling(&main_hsub, &main_vsub, fb, + ccs_to_main_plane(fb, ccs_plane)); + intel_fb_plane_get_subsampling(&hsub, &vsub, fb, ccs_plane); + + hsub *= main_hsub; + vsub *= main_vsub; + x = src_x / hsub; + y = src_y / vsub; + + intel_add_fb_offsets(&x, &y, plane_state, ccs_plane); - plane_state->color_plane[1].offset = offset; - plane_state->color_plane[1].x = x * hsub + src_x % hsub; - plane_state->color_plane[1].y = y * vsub + src_y % vsub; + offset = intel_plane_compute_aligned_offset(&x, &y, + plane_state, + ccs_plane); + + plane_state->color_plane[ccs_plane].offset = offset; + plane_state->color_plane[ccs_plane].x = (x * hsub + + src_x % hsub) / + main_hsub; + plane_state->color_plane[ccs_plane].y = (y * vsub + + src_y % vsub) / + main_vsub; + } return 0; } @@ -3901,6 +3988,7 @@ int skl_check_plane_surface(struct intel_plane_state *plane_state) { const struct drm_framebuffer *fb = plane_state->hw.fb; int ret; + bool needs_aux = false; ret = intel_plane_compute_gtt(plane_state); if (ret) @@ -3910,22 +3998,32 @@ int skl_check_plane_surface(struct intel_plane_state *plane_state) return 0; /* - * Handle the AUX surface first since - * the main surface setup depends on it. + * Handle the AUX surface first since the main surface setup depends on + * it. */ + if (is_ccs_modifier(fb->modifier)) { + needs_aux = true; + ret = skl_check_ccs_aux_surface(plane_state); + if (ret) + return ret; + } + if (intel_format_info_is_yuv_semiplanar(fb->format, fb->modifier)) { + needs_aux = true; ret = skl_check_nv12_aux_surface(plane_state); if (ret) return ret; - } else if (is_ccs_modifier(fb->modifier)) { - ret = skl_check_ccs_aux_surface(plane_state); - if (ret) - return ret; - } else { - plane_state->color_plane[1].offset = ~0xfff; - plane_state->color_plane[1].x = 0; - plane_state->color_plane[1].y = 0; + } + + if (!needs_aux) { + int i; + + for (i = 1; i < fb->format->num_planes; i++) { + plane_state->color_plane[i].offset = ~0xfff; + plane_state->color_plane[i].x = 0; + plane_state->color_plane[i].y = 0; + } } ret = skl_check_main_surface(plane_state); @@ -4515,6 +4613,8 @@ static u32 skl_plane_ctl_tiling(u64 fb_modifier) return PLANE_CTL_TILED_Y | PLANE_CTL_RENDER_DECOMPRESSION_ENABLE | PLANE_CTL_CLEAR_COLOR_DISABLE; + case I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS: + return PLANE_CTL_TILED_Y | PLANE_CTL_MEDIA_DECOMPRESSION_ENABLE; case I915_FORMAT_MOD_Yf_TILED: return PLANE_CTL_TILED_YF; case I915_FORMAT_MOD_Yf_TILED_CCS: @@ -10236,6 +10336,8 @@ skl_get_initial_plane_config(struct intel_crtc *crtc, fb->modifier = INTEL_GEN(dev_priv) >= 12 ? I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS : I915_FORMAT_MOD_Y_TILED_CCS; + else if (val & PLANE_CTL_MEDIA_DECOMPRESSION_ENABLE) + fb->modifier = I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS; else fb->modifier = I915_FORMAT_MOD_Y_TILED; break; diff --git a/drivers/gpu/drm/i915/display/intel_display.h b/drivers/gpu/drm/i915/display/intel_display.h index bc2c5104f755..028aab728514 100644 --- a/drivers/gpu/drm/i915/display/intel_display.h +++ b/drivers/gpu/drm/i915/display/intel_display.h @@ -474,6 +474,7 @@ void intel_link_compute_m_n(u16 bpp, int nlanes, struct intel_link_m_n *m_n, bool constant_n, bool fec_enable); bool is_ccs_modifier(u64 modifier); +int intel_main_to_aux_plane(const struct drm_framebuffer *fb, int main_plane); void lpt_disable_clkout_dp(struct drm_i915_private *dev_priv); u32 intel_plane_fb_max_stride(struct drm_i915_private *dev_priv, u32 pixel_format, u64 modifier); diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h index 630a94892b7b..a1a73209d824 100644 --- a/drivers/gpu/drm/i915/display/intel_display_types.h +++ b/drivers/gpu/drm/i915/display/intel_display_types.h @@ -90,8 +90,8 @@ struct intel_framebuffer { /* for each plane in the normal GTT view */ struct { unsigned int x, y; - } normal[2]; - /* for each plane in the rotated GTT view */ + } normal[4]; + /* for each plane in the rotated GTT view for no-CCS formats */ struct { unsigned int x, y; unsigned int pitch; /* pixels */ @@ -555,7 +555,7 @@ struct intel_plane_state { */ u32 stride; int x, y; - } color_plane[2]; + } color_plane[4]; /* plane control register */ u32 ctl; diff --git a/drivers/gpu/drm/i915/display/intel_sprite.c b/drivers/gpu/drm/i915/display/intel_sprite.c index 3f7b8f2ff671..fca77ec1e0dd 100644 --- a/drivers/gpu/drm/i915/display/intel_sprite.c +++ b/drivers/gpu/drm/i915/display/intel_sprite.c @@ -583,15 +583,16 @@ skl_program_plane(struct intel_plane *plane, const struct drm_intel_sprite_colorkey *key = &plane_state->ckey; u32 surf_addr = plane_state->color_plane[color_plane].offset; u32 stride = skl_plane_stride(plane_state, color_plane); - u32 aux_dist = plane_state->color_plane[1].offset - surf_addr; - u32 aux_stride = skl_plane_stride(plane_state, 1); + const struct drm_framebuffer *fb = plane_state->hw.fb; + int aux_plane = intel_main_to_aux_plane(fb, color_plane); + u32 aux_dist = plane_state->color_plane[aux_plane].offset - surf_addr; + u32 aux_stride = skl_plane_stride(plane_state, aux_plane); int crtc_x = plane_state->uapi.dst.x1; int crtc_y = plane_state->uapi.dst.y1; u32 x = plane_state->color_plane[color_plane].x; u32 y = plane_state->color_plane[color_plane].y; u32 src_w = drm_rect_width(&plane_state->uapi.src) >> 16; u32 src_h = drm_rect_height(&plane_state->uapi.src) >> 16; - const struct drm_framebuffer *fb = plane_state->hw.fb; u8 alpha = plane_state->hw.alpha >> 8; u32 plane_color_ctl = 0; unsigned long irqflags; @@ -2106,7 +2107,8 @@ static int skl_plane_check_fb(const struct intel_crtc_state *crtc_state, fb->modifier == I915_FORMAT_MOD_Yf_TILED || fb->modifier == I915_FORMAT_MOD_Y_TILED_CCS || fb->modifier == I915_FORMAT_MOD_Yf_TILED_CCS || - fb->modifier == I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS)) { + fb->modifier == I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS || + fb->modifier == I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS)) { DRM_DEBUG_KMS("Y/Yf tiling not supported in IF-ID mode\n"); return -EINVAL; } @@ -2578,7 +2580,16 @@ static const u64 skl_plane_format_modifiers_ccs[] = { DRM_FORMAT_MOD_INVALID }; -static const u64 gen12_plane_format_modifiers_ccs[] = { +static const u64 gen12_plane_format_modifiers_mc_ccs[] = { + I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS, + I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS, + I915_FORMAT_MOD_Y_TILED, + I915_FORMAT_MOD_X_TILED, + DRM_FORMAT_MOD_LINEAR, + DRM_FORMAT_MOD_INVALID +}; + +static const u64 gen12_plane_format_modifiers_rc_ccs[] = { I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS, I915_FORMAT_MOD_Y_TILED, I915_FORMAT_MOD_X_TILED, @@ -2743,10 +2754,21 @@ static bool skl_plane_format_mod_supported(struct drm_plane *_plane, } } +static bool gen12_plane_supports_mc_ccs(enum plane_id plane_id) +{ + return plane_id < PLANE_SPRITE4; +} + static bool gen12_plane_format_mod_supported(struct drm_plane *_plane, u32 format, u64 modifier) { + struct intel_plane *plane = to_intel_plane(_plane); + switch (modifier) { + case I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS: + if (!gen12_plane_supports_mc_ccs(plane->id)) + return false; + /* fall through */ case DRM_FORMAT_MOD_LINEAR: case I915_FORMAT_MOD_X_TILED: case I915_FORMAT_MOD_Y_TILED: @@ -2764,11 +2786,6 @@ static bool gen12_plane_format_mod_supported(struct drm_plane *_plane, if (is_ccs_modifier(modifier)) return true; /* fall through */ - case DRM_FORMAT_RGB565: - case DRM_FORMAT_XRGB2101010: - case DRM_FORMAT_XBGR2101010: - case DRM_FORMAT_ARGB2101010: - case DRM_FORMAT_ABGR2101010: case DRM_FORMAT_YUYV: case DRM_FORMAT_YVYU: case DRM_FORMAT_UYVY: @@ -2777,6 +2794,14 @@ static bool gen12_plane_format_mod_supported(struct drm_plane *_plane, case DRM_FORMAT_P010: case DRM_FORMAT_P012: case DRM_FORMAT_P016: + if (modifier == I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS) + return true; + /* fall through */ + case DRM_FORMAT_RGB565: + case DRM_FORMAT_XRGB2101010: + case DRM_FORMAT_XBGR2101010: + case DRM_FORMAT_ARGB2101010: + case DRM_FORMAT_ABGR2101010: case DRM_FORMAT_XVYU2101010: case DRM_FORMAT_C8: case DRM_FORMAT_XBGR16161616F: @@ -2910,6 +2935,14 @@ static const u32 *icl_get_plane_formats(struct drm_i915_private *dev_priv, } } +static const u64 *gen12_get_plane_modifiers(enum plane_id plane_id) +{ + if (gen12_plane_supports_mc_ccs(plane_id)) + return gen12_plane_format_modifiers_mc_ccs; + else + return gen12_plane_format_modifiers_rc_ccs; +} + static bool skl_plane_has_ccs(struct drm_i915_private *dev_priv, enum pipe pipe, enum plane_id plane_id) { @@ -2975,7 +3008,7 @@ skl_universal_plane_create(struct drm_i915_private *dev_priv, plane->has_ccs = skl_plane_has_ccs(dev_priv, pipe, plane_id); if (INTEL_GEN(dev_priv) >= 12) { - modifiers = gen12_plane_format_modifiers_ccs; + modifiers = gen12_get_plane_modifiers(plane_id); plane_funcs = &gen12_plane_funcs; } else { if (plane->has_ccs) diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index cf770793be54..d90d7bf8d328 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -6814,6 +6814,7 @@ enum { #define PLANE_CTL_TILED_Y (4 << 10) #define PLANE_CTL_TILED_YF (5 << 10) #define PLANE_CTL_FLIP_HORIZONTAL (1 << 8) +#define PLANE_CTL_MEDIA_DECOMPRESSION_ENABLE (1 << 4) /* TGL+ */ #define PLANE_CTL_ALPHA_MASK (0x3 << 4) /* Pre-GLK */ #define PLANE_CTL_ALPHA_DISABLE (0 << 4) #define PLANE_CTL_ALPHA_SW_PREMULTIPLY (2 << 4) |