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From: Anitha Chrisanthus <anitha.chrisanthus@intel.com>
To: dri-devel@lists.freedesktop.org, anitha.chrisanthus@intel.com,
	bob.j.paauwe@intel.com, edmund.j.dea@intel.com
Cc: daniel.vetter@intel.com, intel-gfx@lists.freedesktop.org,
	rodrigo.vivi@intel.com
Subject: [PATCH v2 05/59] drm/kmb: Updated kmb_plane_atomic_check
Date: Tue, 14 Jul 2020 13:56:51 -0700	[thread overview]
Message-ID: <1594760265-11618-6-git-send-email-anitha.chrisanthus@intel.com> (raw)
In-Reply-To: <1594760265-11618-1-git-send-email-anitha.chrisanthus@intel.com>

Check if format is supported and size is within limits.

v2: simplified the code as per code review

Signed-off-by: Anitha Chrisanthus <anitha.chrisanthus@intel.com>
Reviewed-by: Bob Paauwe <bob.j.paauwe@intel.com>
---
 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);
-- 
2.7.4

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  parent reply	other threads:[~2020-07-14 20:59 UTC|newest]

Thread overview: 65+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-14 20:56 [PATCH v2 00/59] Add support for KeemBay DRM driver Anitha Chrisanthus
2020-07-14 20:56 ` [PATCH v2 01/59] drm/kmb: Add support for KeemBay Display Anitha Chrisanthus
2020-07-14 20:56 ` [PATCH v2 02/59] drm/kmb: Added id to kmb_plane Anitha Chrisanthus
2020-07-14 20:56 ` [PATCH v2 03/59] drm/kmb: Set correct values in the LAYERn_CFG register Anitha Chrisanthus
2020-07-14 20:56 ` [PATCH v2 04/59] drm/kmb: Use biwise operators for register definitions Anitha Chrisanthus
2020-07-14 20:56 ` Anitha Chrisanthus [this message]
2020-07-14 20:56 ` [PATCH v2 06/59] drm/kmb: Initial check-in for Mipi DSI Anitha Chrisanthus
2020-07-14 20:56 ` [PATCH v2 07/59] drm/kmb: Set OUT_FORMAT_CFG register Anitha Chrisanthus
2020-07-14 20:56 ` [PATCH v2 08/59] drm/kmb: Added mipi_dsi_host initialization Anitha Chrisanthus
2020-07-14 20:56 ` [PATCH v2 09/59] drm/kmb: Part 1 of Mipi Tx Initialization Anitha Chrisanthus
2020-07-14 20:56 ` [PATCH v2 10/59] drm/kmb: Part 2 " Anitha Chrisanthus
2020-07-14 20:56 ` [PATCH v2 11/59] drm/kmb: Use correct mmio offset from data book Anitha Chrisanthus
2020-07-14 20:56 ` [PATCH v2 12/59] drm/kmb: Part3 of Mipi Tx initialization Anitha Chrisanthus
2020-07-14 20:56 ` [PATCH v2 13/59] drm/kmb: Part4 of Mipi Tx Initialization Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 14/59] drm/kmb: Correct address offsets for mipi registers Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 15/59] drm/kmb: Part5 of Mipi Tx Intitialization Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 16/59] drm/kmb: Part6 of Mipi Tx Initialization Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 17/59] drm/kmb: Part7 " Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 18/59] drm/kmb: Part8 " Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 19/59] drm/kmb: Added ioremap/iounmap for register access Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 20/59] drm/kmb: Register IRQ for LCD Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 21/59] drm/kmb: IRQ handlers for LCD and mipi dsi Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 22/59] drm/kmb: Set hardcoded values to LCD_VSYNC_START Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 23/59] drm/kmb: Additional register programming to update_plane Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 24/59] drm/kmb: Add ADV7535 bridge Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 25/59] drm/kmb: Display clock enable/disable Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 26/59] drm/kmb: rebase to newer kernel version Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 27/59] drm/kmb: minor name change to match device tree Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 28/59] drm/kmb: Changed MMIO size Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 29/59] drm/kmb: Defer Probe Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 30/59] drm/kmb: call bridge init in the very beginning Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 31/59] drm/kmb: Cleanup probe functions Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 32/59] drm/kmb: Revert dsi_host back to a static variable Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 33/59] drm/kmb: Initialize clocks for clk_msscam, clk_mipi_ecfg, & clk_mipi_cfg Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 34/59] drm/kmb: Enable MSS_CAM_CLK_CTRL for LCD and MIPI Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 35/59] drm/kmb: Remove declaration of irq_lcd/irq_mipi Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 36/59] drm/kmb: Enable MIPI TX HS Test Pattern Generation Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 37/59] drm/kmb: Set MSS_CAM_RSTN_CTRL along with enable Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 38/59] drm/kmb: Mipi DPHY initialization changes Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 39/59] drm/kmb: Fixed driver unload Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 40/59] drm/kmb: Added LCD_TEST config Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 41/59] drm/kmb: Changes for LCD to Mipi Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 42/59] drm/kmb: Update LCD programming to match MIPI Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 43/59] drm/kmb: Changed name of driver to kmb-drm Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 44/59] drm/kmb: Mipi settings from input timings Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 45/59] drm/kmb: Enable LCD interrupts Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 46/59] drm/kmb: Enable LCD interrupts during modeset Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 47/59] drm/kmb: Don’t inadvertantly disable LCD controller Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 48/59] drm/kmb: SWAP R and B LCD Layer order Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 49/59] drm/kmb: Disable ping pong mode Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 50/59] drm/kmb: Do the layer initializations only once Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 51/59] drm/kmb: Write to LCD_LAYERn_CFG " Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 52/59] drm/kmb: Cleaned up code Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 53/59] drm/kmb: disable the LCD layer in EOF irq handler Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 54/59] drm/kmb: Initialize uninitialized variables Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 55/59] drm/kmb: Added useful messages in LCD ISR Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 56/59] kmb/drm: Prune unsupported modes Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 57/59] drm/kmb: workaround for dma undeflow issue Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 58/59] drm/kmb: Get System Clock from SCMI Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 59/59] drm/kmb: work around for planar formats Anitha Chrisanthus
2020-07-15 15:05 ` [Intel-gfx] [PATCH v2 00/59] Add support for KeemBay DRM driver Daniel Vetter
2020-07-15 15:14   ` Daniel Vetter
2020-07-15 17:06   ` Sam Ravnborg
2020-07-15 18:38     ` Chrisanthus, Anitha
2020-07-15 17:01 ` Sam Ravnborg

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