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14 Jul 2020 13:58:20 -0700 From: Anitha Chrisanthus To: dri-devel@lists.freedesktop.org, anitha.chrisanthus@intel.com, bob.j.paauwe@intel.com, edmund.j.dea@intel.com Subject: [PATCH v2 05/59] drm/kmb: Updated kmb_plane_atomic_check Date: Tue, 14 Jul 2020 13:56:51 -0700 Message-Id: <1594760265-11618-6-git-send-email-anitha.chrisanthus@intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1594760265-11618-1-git-send-email-anitha.chrisanthus@intel.com> References: <1594760265-11618-1-git-send-email-anitha.chrisanthus@intel.com> X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: daniel.vetter@intel.com, intel-gfx@lists.freedesktop.org, rodrigo.vivi@intel.com MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Check if format is supported and size is within limits. v2: simplified the code as per code review Signed-off-by: Anitha Chrisanthus Reviewed-by: Bob Paauwe --- drivers/gpu/drm/kmb/kmb_plane.c | 111 +++++++++++++++++++++++----------------- 1 file changed, 65 insertions(+), 46 deletions(-) diff --git a/drivers/gpu/drm/kmb/kmb_plane.c b/drivers/gpu/drm/kmb/kmb_plane.c index 877314a..74a3573 100644 --- a/drivers/gpu/drm/kmb/kmb_plane.c +++ b/drivers/gpu/drm/kmb/kmb_plane.c @@ -21,15 +21,66 @@ #include "kmb_plane.h" #include "kmb_regs.h" +/* graphics layer ( layers 2 & 3) formats, only packed formats are supported*/ +static const u32 kmb_formats_g[] = { + DRM_FORMAT_RGB332, + DRM_FORMAT_XRGB4444, DRM_FORMAT_XBGR4444, + DRM_FORMAT_ARGB4444, DRM_FORMAT_ABGR4444, + DRM_FORMAT_XRGB1555, DRM_FORMAT_XBGR1555, + DRM_FORMAT_ARGB1555, DRM_FORMAT_ABGR1555, + DRM_FORMAT_RGB565, DRM_FORMAT_BGR565, + DRM_FORMAT_RGB888, DRM_FORMAT_BGR888, + DRM_FORMAT_XRGB8888, DRM_FORMAT_XBGR8888, + DRM_FORMAT_ARGB8888, DRM_FORMAT_ABGR8888, +}; + +#define MAX_FORMAT_G (ARRAY_SIZE(kmb_formats_g)) +#define MAX_FORMAT_V (ARRAY_SIZE(kmb_formats_v)) + +/* video layer ( 0 & 1) formats, packed and planar formats are supported */ +static const u32 kmb_formats_v[] = { + /* packed formats */ + DRM_FORMAT_RGB332, + DRM_FORMAT_XRGB4444, DRM_FORMAT_XBGR4444, + DRM_FORMAT_ARGB4444, DRM_FORMAT_ABGR4444, + DRM_FORMAT_XRGB1555, DRM_FORMAT_XBGR1555, + DRM_FORMAT_ARGB1555, DRM_FORMAT_ABGR1555, + DRM_FORMAT_RGB565, DRM_FORMAT_BGR565, + DRM_FORMAT_RGB888, DRM_FORMAT_BGR888, + DRM_FORMAT_XRGB8888, DRM_FORMAT_XBGR8888, + DRM_FORMAT_ARGB8888, DRM_FORMAT_ABGR8888, + /*planar formats */ + DRM_FORMAT_YUV420, DRM_FORMAT_YVU420, + DRM_FORMAT_YUV422, DRM_FORMAT_YVU422, + DRM_FORMAT_YUV444, DRM_FORMAT_YVU444, + DRM_FORMAT_NV12, DRM_FORMAT_NV21, +}; + +static unsigned int check_pixel_format(struct drm_plane *plane, u32 format) +{ + int i; + + for (i = 0; i < plane->format_count; i++) { + if (plane->format_types[i] == format) + return 0; + } + return -EINVAL; +} + static int kmb_plane_atomic_check(struct drm_plane *plane, struct drm_plane_state *state) { -/* TBD below structure will be used for implementation later - * struct drm_crtc_state *crtc_state; - */ - /* TBD */ - /* Plane based checking */ + struct drm_framebuffer *fb; + int ret; + + fb = state->fb; + ret = check_pixel_format(plane, fb->format->format); + if (ret) + return ret; + + if (state->crtc_w > KMB_MAX_WIDTH || state->crtc_h > KMB_MAX_HEIGHT) + return -EINVAL; return 0; } @@ -38,36 +89,36 @@ unsigned int set_pixel_format(u32 format) unsigned int val = 0; switch (format) { - /*planar formats */ + /*planar formats */ case DRM_FORMAT_YUV444: val = LCD_LAYER_FORMAT_YCBCR444PLAN | LCD_LAYER_PLANAR_STORAGE; break; case DRM_FORMAT_YVU444: val = LCD_LAYER_FORMAT_YCBCR444PLAN | LCD_LAYER_PLANAR_STORAGE - | LCD_LAYER_CRCB_ORDER; + | LCD_LAYER_CRCB_ORDER; break; case DRM_FORMAT_YUV422: val = LCD_LAYER_FORMAT_YCBCR422PLAN | LCD_LAYER_PLANAR_STORAGE; break; case DRM_FORMAT_YVU422: val = LCD_LAYER_FORMAT_YCBCR422PLAN | LCD_LAYER_PLANAR_STORAGE - | LCD_LAYER_CRCB_ORDER; + | LCD_LAYER_CRCB_ORDER; break; case DRM_FORMAT_YUV420: val = LCD_LAYER_FORMAT_YCBCR420PLAN | LCD_LAYER_PLANAR_STORAGE; break; case DRM_FORMAT_YVU420: val = LCD_LAYER_FORMAT_YCBCR420PLAN | LCD_LAYER_PLANAR_STORAGE - | LCD_LAYER_CRCB_ORDER; + | LCD_LAYER_CRCB_ORDER; break; case DRM_FORMAT_NV12: val = LCD_LAYER_FORMAT_NV12 | LCD_LAYER_PLANAR_STORAGE; break; case DRM_FORMAT_NV21: val = LCD_LAYER_FORMAT_NV12 | LCD_LAYER_PLANAR_STORAGE - | LCD_LAYER_CRCB_ORDER; + | LCD_LAYER_CRCB_ORDER; break; - /* packed formats */ + /* packed formats */ case DRM_FORMAT_RGB332: val = LCD_LAYER_FORMAT_RGB332; break; @@ -127,7 +178,7 @@ unsigned int set_bits_per_pixel(const struct drm_format_info *format) unsigned int val = 0; for (i = 0; i < format->num_planes; i++) - bpp += 8*format->cpp[i]; + bpp += 8 * format->cpp[i]; switch (bpp) { case 8: @@ -171,8 +222,8 @@ static void kmb_plane_atomic_update(struct drm_plane *plane, crtc_x = plane->state->crtc_x; crtc_y = plane->state->crtc_y; - kmb_write(lcd, LCD_LAYERn_WIDTH(plane_id), src_w-1); - kmb_write(lcd, LCD_LAYERn_HEIGHT(plane_id), src_h-1); + kmb_write(lcd, LCD_LAYERn_WIDTH(plane_id), src_w - 1); + kmb_write(lcd, LCD_LAYERn_HEIGHT(plane_id), src_h - 1); kmb_write(lcd, LCD_LAYERn_COL_START(plane_id), crtc_x); kmb_write(lcd, LCD_LAYERn_ROW_START(plane_id), crtc_y); @@ -295,38 +346,6 @@ static const struct drm_plane_funcs kmb_plane_funcs = { .atomic_destroy_state = kmb_destroy_plane_state, }; -/* graphics layer ( layers 2 & 3) formats, only packed formats are supported*/ -static const u32 kmb_formats_g[] = { - DRM_FORMAT_RGB332, - DRM_FORMAT_XRGB4444, DRM_FORMAT_XBGR4444, - DRM_FORMAT_ARGB4444, DRM_FORMAT_ABGR4444, - DRM_FORMAT_XRGB1555, DRM_FORMAT_XBGR1555, - DRM_FORMAT_ARGB1555, DRM_FORMAT_ABGR1555, - DRM_FORMAT_RGB565, DRM_FORMAT_BGR565, - DRM_FORMAT_RGB888, DRM_FORMAT_BGR888, - DRM_FORMAT_XRGB8888, DRM_FORMAT_XBGR8888, - DRM_FORMAT_ARGB8888, DRM_FORMAT_ABGR8888, -}; - -/* video layer (0 & 1) formats, packed and planar formats are supported */ -static const u32 kmb_formats_v[] = { - /* packed formats */ - DRM_FORMAT_RGB332, - DRM_FORMAT_XRGB4444, DRM_FORMAT_XBGR4444, - DRM_FORMAT_ARGB4444, DRM_FORMAT_ABGR4444, - DRM_FORMAT_XRGB1555, DRM_FORMAT_XBGR1555, - DRM_FORMAT_ARGB1555, DRM_FORMAT_ABGR1555, - DRM_FORMAT_RGB565, DRM_FORMAT_BGR565, - DRM_FORMAT_RGB888, DRM_FORMAT_BGR888, - DRM_FORMAT_XRGB8888, DRM_FORMAT_XBGR8888, - DRM_FORMAT_ARGB8888, DRM_FORMAT_ABGR8888, - /*planar formats */ - DRM_FORMAT_YUV420, DRM_FORMAT_YVU420, - DRM_FORMAT_YUV422, DRM_FORMAT_YVU422, - DRM_FORMAT_YUV444, DRM_FORMAT_YVU444, - DRM_FORMAT_NV12, DRM_FORMAT_NV21, -}; - struct kmb_plane *kmb_plane_init(struct drm_device *drm) { struct kmb_drm_private *lcd = to_kmb(drm);