diff options
Diffstat (limited to 'drivers/gpu/drm/vc4/vc4_plane.c')
| -rw-r--r-- | drivers/gpu/drm/vc4/vc4_plane.c | 125 |
1 files changed, 57 insertions, 68 deletions
diff --git a/drivers/gpu/drm/vc4/vc4_plane.c b/drivers/gpu/drm/vc4/vc4_plane.c index 515f97997624..ce39390be389 100644 --- a/drivers/gpu/drm/vc4/vc4_plane.c +++ b/drivers/gpu/drm/vc4/vc4_plane.c @@ -27,105 +27,50 @@ #include "vc4_drv.h" #include "vc4_regs.h" -enum vc4_scaling_mode { - VC4_SCALING_NONE, - VC4_SCALING_TPZ, - VC4_SCALING_PPF, -}; - -struct vc4_plane_state { - struct drm_plane_state base; - /* System memory copy of the display list for this element, computed - * at atomic_check time. - */ - u32 *dlist; - u32 dlist_size; /* Number of dwords allocated for the display list */ - u32 dlist_count; /* Number of used dwords in the display list. */ - - /* Offset in the dlist to various words, for pageflip or - * cursor updates. - */ - u32 pos0_offset; - u32 pos2_offset; - u32 ptr0_offset; - - /* Offset where the plane's dlist was last stored in the - * hardware at vc4_crtc_atomic_flush() time. - */ - u32 __iomem *hw_dlist; - - /* Clipped coordinates of the plane on the display. */ - int crtc_x, crtc_y, crtc_w, crtc_h; - /* Clipped area being scanned from in the FB. */ - u32 src_x, src_y; - - u32 src_w[2], src_h[2]; - - /* Scaling selection for the RGB/Y plane and the Cb/Cr planes. */ - enum vc4_scaling_mode x_scaling[2], y_scaling[2]; - bool is_unity; - bool is_yuv; - - /* Offset to start scanning out from the start of the plane's - * BO. - */ - u32 offsets[3]; - - /* Our allocation in LBM for temporary storage during scaling. */ - struct drm_mm_node lbm; -}; - -static inline struct vc4_plane_state * -to_vc4_plane_state(struct drm_plane_state *state) -{ - return (struct vc4_plane_state *)state; -} - static const struct hvs_format { u32 drm; /* DRM_FORMAT_* */ u32 hvs; /* HVS_FORMAT_* */ u32 pixel_order; - bool has_alpha; } hvs_formats[] = { { .drm = DRM_FORMAT_XRGB8888, .hvs = HVS_PIXEL_FORMAT_RGBA8888, - .pixel_order = HVS_PIXEL_ORDER_ABGR, .has_alpha = false, + .pixel_order = HVS_PIXEL_ORDER_ABGR, }, { .drm = DRM_FORMAT_ARGB8888, .hvs = HVS_PIXEL_FORMAT_RGBA8888, - .pixel_order = HVS_PIXEL_ORDER_ABGR, .has_alpha = true, + .pixel_order = HVS_PIXEL_ORDER_ABGR, }, { .drm = DRM_FORMAT_ABGR8888, .hvs = HVS_PIXEL_FORMAT_RGBA8888, - .pixel_order = HVS_PIXEL_ORDER_ARGB, .has_alpha = true, + .pixel_order = HVS_PIXEL_ORDER_ARGB, }, { .drm = DRM_FORMAT_XBGR8888, .hvs = HVS_PIXEL_FORMAT_RGBA8888, - .pixel_order = HVS_PIXEL_ORDER_ARGB, .has_alpha = false, + .pixel_order = HVS_PIXEL_ORDER_ARGB, }, { .drm = DRM_FORMAT_RGB565, .hvs = HVS_PIXEL_FORMAT_RGB565, - .pixel_order = HVS_PIXEL_ORDER_XRGB, .has_alpha = false, + .pixel_order = HVS_PIXEL_ORDER_XRGB, }, { .drm = DRM_FORMAT_BGR565, .hvs = HVS_PIXEL_FORMAT_RGB565, - .pixel_order = HVS_PIXEL_ORDER_XBGR, .has_alpha = false, + .pixel_order = HVS_PIXEL_ORDER_XBGR, }, { .drm = DRM_FORMAT_ARGB1555, .hvs = HVS_PIXEL_FORMAT_RGBA5551, - .pixel_order = HVS_PIXEL_ORDER_ABGR, .has_alpha = true, + .pixel_order = HVS_PIXEL_ORDER_ABGR, }, { .drm = DRM_FORMAT_XRGB1555, .hvs = HVS_PIXEL_FORMAT_RGBA5551, - .pixel_order = HVS_PIXEL_ORDER_ABGR, .has_alpha = false, + .pixel_order = HVS_PIXEL_ORDER_ABGR, }, { .drm = DRM_FORMAT_RGB888, .hvs = HVS_PIXEL_FORMAT_RGB888, - .pixel_order = HVS_PIXEL_ORDER_XRGB, .has_alpha = false, + .pixel_order = HVS_PIXEL_ORDER_XRGB, }, { .drm = DRM_FORMAT_BGR888, .hvs = HVS_PIXEL_FORMAT_RGB888, - .pixel_order = HVS_PIXEL_ORDER_XBGR, .has_alpha = false, + .pixel_order = HVS_PIXEL_ORDER_XBGR, }, { .drm = DRM_FORMAT_YUV422, @@ -522,6 +467,7 @@ static int vc4_plane_mode_set(struct drm_plane *plane, u32 ctl0_offset = vc4_state->dlist_count; const struct hvs_format *format = vc4_get_hvs_format(fb->format->format); int num_planes = drm_format_num_planes(format->drm); + bool covers_screen; u32 scl0, scl1, pitch0; u32 lbm_size, tiling; unsigned long irqflags; @@ -619,13 +565,14 @@ static int vc4_plane_mode_set(struct drm_plane *plane, SCALER_POS1_SCL_HEIGHT)); } - /* Position Word 2: Source Image Size, Alpha Mode */ + /* Position Word 2: Source Image Size, Alpha */ vc4_state->pos2_offset = vc4_state->dlist_count; vc4_dlist_write(vc4_state, - VC4_SET_FIELD(format->has_alpha ? + VC4_SET_FIELD(fb->format->has_alpha ? SCALER_POS2_ALPHA_MODE_PIPELINE : SCALER_POS2_ALPHA_MODE_FIXED, SCALER_POS2_ALPHA_MODE) | + (fb->format->has_alpha ? SCALER_POS2_ALPHA_PREMULT : 0) | VC4_SET_FIELD(vc4_state->src_w[0], SCALER_POS2_WIDTH) | VC4_SET_FIELD(vc4_state->src_h[0], SCALER_POS2_HEIGHT)); @@ -701,6 +648,16 @@ static int vc4_plane_mode_set(struct drm_plane *plane, vc4_state->dlist[ctl0_offset] |= VC4_SET_FIELD(vc4_state->dlist_count, SCALER_CTL0_SIZE); + /* crtc_* are already clipped coordinates. */ + covers_screen = vc4_state->crtc_x == 0 && vc4_state->crtc_y == 0 && + vc4_state->crtc_w == state->crtc->mode.hdisplay && + vc4_state->crtc_h == state->crtc->mode.vdisplay; + /* Background fill might be necessary when the plane has per-pixel + * alpha content and blends from the background or does not cover + * the entire screen. + */ + vc4_state->needs_bg_fill = fb->format->has_alpha || !covers_screen; + return 0; } @@ -907,6 +864,32 @@ out: ctx); } +static bool vc4_format_mod_supported(struct drm_plane *plane, + uint32_t format, + uint64_t modifier) +{ + /* Support T_TILING for RGB formats only. */ + switch (format) { + case DRM_FORMAT_XRGB8888: + case DRM_FORMAT_ARGB8888: + case DRM_FORMAT_ABGR8888: + case DRM_FORMAT_XBGR8888: + case DRM_FORMAT_RGB565: + case DRM_FORMAT_BGR565: + case DRM_FORMAT_ARGB1555: + case DRM_FORMAT_XRGB1555: + return true; + case DRM_FORMAT_YUV422: + case DRM_FORMAT_YVU422: + case DRM_FORMAT_YUV420: + case DRM_FORMAT_YVU420: + case DRM_FORMAT_NV12: + case DRM_FORMAT_NV16: + default: + return (modifier == DRM_FORMAT_MOD_LINEAR); + } +} + static const struct drm_plane_funcs vc4_plane_funcs = { .update_plane = vc4_update_plane, .disable_plane = drm_atomic_helper_disable_plane, @@ -915,6 +898,7 @@ static const struct drm_plane_funcs vc4_plane_funcs = { .reset = vc4_plane_reset, .atomic_duplicate_state = vc4_plane_duplicate_state, .atomic_destroy_state = vc4_plane_destroy_state, + .format_mod_supported = vc4_format_mod_supported, }; struct drm_plane *vc4_plane_init(struct drm_device *dev, @@ -926,6 +910,11 @@ struct drm_plane *vc4_plane_init(struct drm_device *dev, u32 num_formats = 0; int ret = 0; unsigned i; + static const uint64_t modifiers[] = { + DRM_FORMAT_MOD_BROADCOM_VC4_T_TILED, + DRM_FORMAT_MOD_LINEAR, + DRM_FORMAT_MOD_INVALID + }; vc4_plane = devm_kzalloc(dev->dev, sizeof(*vc4_plane), GFP_KERNEL); @@ -946,7 +935,7 @@ struct drm_plane *vc4_plane_init(struct drm_device *dev, ret = drm_universal_plane_init(dev, plane, 0, &vc4_plane_funcs, formats, num_formats, - NULL, type, NULL); + modifiers, type, NULL); drm_plane_helper_add(plane, &vc4_plane_helper_funcs); |