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From: Ayan Halder <Ayan.Halder@arm.com>
To: Ayan Halder <Ayan.Halder@arm.com>,
	Liviu Dudau <Liviu.Dudau@arm.com>,
	Brian Starkey <Brian.Starkey@arm.com>,
	"malidp@foss.arm.com" <malidp@foss.arm.com>,
	"airlied@linux.ie" <airlied@linux.ie>,
	"dri-devel@lists.freedesktop.org"
	<dri-devel@lists.freedesktop.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"maxime.ripard@bootlin.com" <maxime.ripard@bootlin.com>,
	"sean@poorly.run" <sean@poorly.run>,
	"maarten.lankhorst@linux.intel.com" 
	<maarten.lankhorst@linux.intel.com>,
	"corbet@lwn.net" <corbet@lwn.net>,
	"mchehab+samsung@kernel.org" <mchehab+samsung@kernel.org>,
	"gregkh@linuxfoundation.org" <gregkh@linuxfoundation.org>,
	"davem@davemloft.net" <davem@davemloft.net>,
	"akpm@linux-foundation.org" <akpm@linux-foundation.org>,
	"nicolas.ferre@microchip.com" <nicolas.ferre@microchip.com>,
	"arnd@arndb.de" <arnd@arndb.de>,
	"linux-doc@vger.kernel.org" <linux-doc@vger.kernel.org>
Cc: nd <nd@arm.com>
Subject: [RFC AFBC 05/12] drm/arm/malidp:- Define a common list of AFBC format modifiers supported for DP500, DP550 and DP650
Date: Mon, 3 Dec 2018 11:31:59 +0000	[thread overview]
Message-ID: <1543836703-8491-6-git-send-email-ayan.halder@arm.com> (raw)
In-Reply-To: <1543836703-8491-1-git-send-email-ayan.halder@arm.com>

We need to define a common list of format modifiers supported by each of the Mali
display processors. The difference between DP500 from DP550/650 is that DP500
does not support block split mode (ie AFBC_FORMAT_MOD_SPLIT) and DP550 supports
YUV420 with split mode. We noted these special cases by defining MALIDP_DEVICE_AFBC_SUPPORT_SPLIT
and AFBC_SUPPORT_SPLIT_WITH_YUV_420_10 for malidp_hw_regmap.features

Also we have defined a set of meaningful macros to shorten the modifier names

Signed-off-by: Ayan Kumar halder <ayan.halder@arm.com>

Change-Id: I09fba2032a7474e6ce45af230e0ed18fc1f4c1df
---
 drivers/gpu/drm/arm/malidp_drv.c |  8 ++++----
 drivers/gpu/drm/arm/malidp_hw.c  | 30 ++++++++++++++++++++++++++++--
 drivers/gpu/drm/arm/malidp_hw.h  | 20 +++++++++++++++-----
 3 files changed, 47 insertions(+), 11 deletions(-)

diff --git a/drivers/gpu/drm/arm/malidp_drv.c b/drivers/gpu/drm/arm/malidp_drv.c
index 505f316..b8db92f 100644
--- a/drivers/gpu/drm/arm/malidp_drv.c
+++ b/drivers/gpu/drm/arm/malidp_drv.c
@@ -293,8 +293,8 @@ malidp_verify_afbc_framebuffer_caps(struct drm_device *dev,
 		return false;
 	}
 
-	switch (mode_cmd->modifier[0] & AFBC_FORMAT_MOD_BLOCK_SIZE_MASK) {
-	case AFBC_FORMAT_MOD_BLOCK_SIZE_16x16:
+	switch (mode_cmd->modifier[0] & AFBC_SIZE_MASK) {
+	case AFBC_SIZE_16X16:
 		if ((mode_cmd->width % 16) || (mode_cmd->height % 16)) {
 			DRM_DEBUG_KMS("AFBC buffers must be aligned to 16 pixels\n");
 			return false;
@@ -319,8 +319,8 @@ malidp_verify_afbc_framebuffer_size(struct drm_device *dev,
 	u32 afbc_superblock_size = 0, afbc_superblock_height = 0;
 	u32 afbc_superblock_width = 0, afbc_size = 0;
 
-	switch (mode_cmd->modifier[0] & AFBC_FORMAT_MOD_BLOCK_SIZE_MASK) {
-	case AFBC_FORMAT_MOD_BLOCK_SIZE_16x16:
+	switch (mode_cmd->modifier[0] & AFBC_SIZE_MASK) {
+	case AFBC_SIZE_16X16:
 		afbc_superblock_height = 16;
 		afbc_superblock_width = 16;
 		break;
diff --git a/drivers/gpu/drm/arm/malidp_hw.c b/drivers/gpu/drm/arm/malidp_hw.c
index 87b7b12..55d379b 100644
--- a/drivers/gpu/drm/arm/malidp_hw.c
+++ b/drivers/gpu/drm/arm/malidp_hw.c
@@ -137,6 +137,32 @@ static const struct malidp_layer malidp650_layers[] = {
 		ROTATE_NONE, 0 },
 };
 
+const u64 malidp_format_modifiers[] = {
+	/* All RGB formats (except XRGB, RGBX, XBGR, BGRX) */
+	DRM_FORMAT_MOD_ARM_AFBC(AFBC_SIZE_16X16 | AFBC_YTR | AFBC_SPARSE),
+	DRM_FORMAT_MOD_ARM_AFBC(AFBC_SIZE_16X16 | AFBC_YTR),
+
+	/* All RGB formats > 16bpp (except XRGB, RGBX, XBGR, BGRX) */
+	DRM_FORMAT_MOD_ARM_AFBC(AFBC_SIZE_16X16 | AFBC_YTR | AFBC_SPARSE | AFBC_SPLIT),
+
+	/* All 8 or 10 bit YUV 444 formats. */
+	/* In DP550, 10 bit YUV 420 format also supported */
+	DRM_FORMAT_MOD_ARM_AFBC(AFBC_SIZE_16X16 | AFBC_SPARSE | AFBC_SPLIT),
+
+	/* YUV 420, 422 P1 8 bit and YUV 444 8 bit/10 bit formats */
+	DRM_FORMAT_MOD_ARM_AFBC(AFBC_SIZE_16X16 | AFBC_SPARSE),
+	DRM_FORMAT_MOD_ARM_AFBC(AFBC_SIZE_16X16),
+
+	/* YUV 420, 422 P1 8, 10 bit formats */
+	DRM_FORMAT_MOD_ARM_AFBC(AFBC_SIZE_16X16 | AFBC_CBR | AFBC_SPARSE),
+	DRM_FORMAT_MOD_ARM_AFBC(AFBC_SIZE_16X16 | AFBC_CBR),
+
+	/* All formats */
+	DRM_FORMAT_MOD_LINEAR,
+
+	DRM_FORMAT_MOD_INVALID
+};
+
 #define SE_N_SCALING_COEFFS	96
 static const u16 dp500_se_scaling_coeffs[][SE_N_SCALING_COEFFS] = {
 	[MALIDP_UPSCALING_COEFFS - 1] = {
@@ -841,7 +867,7 @@ const struct malidp_hw malidp_device[MALIDP_MAX_DEVICES] = {
 			.se_base = MALIDP550_SE_BASE,
 			.dc_base = MALIDP550_DC_BASE,
 			.out_depth_base = MALIDP550_DE_OUTPUT_DEPTH,
-			.features = MALIDP_REGMAP_HAS_CLEARIRQ,
+			.features = MALIDP_REGMAP_HAS_CLEARIRQ | MALIDP_DEVICE_AFBC_SUPPORT_SPLIT | AFBC_SUPPORT_SPLIT_WITH_YUV_420_10,
 			.n_layers = ARRAY_SIZE(malidp550_layers),
 			.layers = malidp550_layers,
 			.de_irq_map = {
@@ -887,7 +913,7 @@ const struct malidp_hw malidp_device[MALIDP_MAX_DEVICES] = {
 			.se_base = MALIDP550_SE_BASE,
 			.dc_base = MALIDP550_DC_BASE,
 			.out_depth_base = MALIDP550_DE_OUTPUT_DEPTH,
-			.features = MALIDP_REGMAP_HAS_CLEARIRQ,
+			.features = MALIDP_REGMAP_HAS_CLEARIRQ | MALIDP_DEVICE_AFBC_SUPPORT_SPLIT,
 			.n_layers = ARRAY_SIZE(malidp650_layers),
 			.layers = malidp650_layers,
 			.de_irq_map = {
diff --git a/drivers/gpu/drm/arm/malidp_hw.h b/drivers/gpu/drm/arm/malidp_hw.h
index 651558f..27b907f 100644
--- a/drivers/gpu/drm/arm/malidp_hw.h
+++ b/drivers/gpu/drm/arm/malidp_hw.h
@@ -95,7 +95,9 @@ struct malidp_se_config {
 };
 
 /* regmap features */
-#define MALIDP_REGMAP_HAS_CLEARIRQ	(1 << 0)
+#define MALIDP_REGMAP_HAS_CLEARIRQ				BIT(0)
+#define MALIDP_DEVICE_AFBC_SUPPORT_SPLIT			BIT(1)
+#define AFBC_SUPPORT_SPLIT_WITH_YUV_420_10			BIT(2)
 
 struct malidp_hw_regmap {
 	/* address offset of the DE register bank */
@@ -390,9 +392,17 @@ static inline void malidp_se_set_enh_coeffs(struct malidp_hw_device *hwdev)
 
 #define MALIDP_GAMMA_LUT_SIZE		4096
 
-#define AFBC_MOD_VALID_BITS (AFBC_FORMAT_MOD_BLOCK_SIZE_MASK | \
-			AFBC_FORMAT_MOD_YTR | AFBC_FORMAT_MOD_SPLIT | \
-			AFBC_FORMAT_MOD_SPARSE | AFBC_FORMAT_MOD_CBR | \
-			AFBC_FORMAT_MOD_TILED | AFBC_FORMAT_MOD_SC)
+#define AFBC_SIZE_MASK		AFBC_FORMAT_MOD_BLOCK_SIZE_MASK
+#define AFBC_SIZE_16X16		AFBC_FORMAT_MOD_BLOCK_SIZE_16x16
+#define AFBC_YTR		AFBC_FORMAT_MOD_YTR
+#define AFBC_SPARSE		AFBC_FORMAT_MOD_SPARSE
+#define AFBC_CBR		AFBC_FORMAT_MOD_CBR
+#define AFBC_SPLIT		AFBC_FORMAT_MOD_SPLIT
+#define AFBC_TILED		AFBC_FORMAT_MOD_TILED
+#define AFBC_SC			AFBC_FORMAT_MOD_SC
+
+#define AFBC_MOD_VALID_BITS (AFBC_SIZE_MASK | AFBC_YTR | AFBC_SPLIT | AFBC_SPARSE | AFBC_CBR | AFBC_TILED | AFBC_SC)
+
+extern const u64 malidp_format_modifiers[];
 
 #endif  /* __MALIDP_HW_H__ */
-- 
2.7.4


  parent reply	other threads:[~2018-12-03 11:32 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-12-03 11:31 [RFC AFBC v2 00/12] Add support for Arm Framebuffer Compression(AFBC) in mali display driver Ayan Halder
2018-12-03 11:31 ` [RFC AFBC 01/12] drm/fourcc: Add AFBC yuv fourccs for Mali Ayan Halder
2018-12-03 11:31 ` [RFC AFBC 02/12] drm: Added a new format DRM_FORMAT_XVYU2101010 Ayan Halder
2018-12-04 16:31   ` Liviu Dudau
2018-12-03 11:31 ` [RFC AFBC 03/12] drm/afbc: Add AFBC modifier usage documentation Ayan Halder
2019-01-03 20:44   ` Ezequiel Garcia
2019-01-11 18:07     ` Liviu Dudau
2019-01-14 12:23       ` Jani Nikula
2019-01-14 14:13         ` Brian Starkey
2019-01-14 14:24           ` Jani Nikula
2018-12-03 11:31 ` [RFC v3 AFBC 04/12] drm/arm/malidp: Set the AFBC register bits if the framebuffer has AFBC modifier Ayan Halder
2018-12-04 16:50   ` Liviu Dudau
2018-12-14 13:45     ` Ayan Halder
2018-12-17 14:01       ` Liviu Dudau
2018-12-03 11:31 ` Ayan Halder [this message]
2018-12-04 16:56   ` [RFC AFBC 05/12] drm/arm/malidp:- Define a common list of AFBC format modifiers supported for DP500, DP550 and DP650 Liviu Dudau
2018-12-03 11:32 ` [RFC AFBC 06/12] drm/arm/malidp:- Added support for new YUV formats " Ayan Halder
2018-12-04 16:57   ` Liviu Dudau
2018-12-14 14:12     ` Ayan Halder
2018-12-17 14:04       ` Liviu Dudau
2018-12-03 11:32 ` [RFC AFBC 07/12] drm/arm/malidp: Define the constraints on each supported drm_fourcc format for the AFBC modifiers Ayan Halder
2018-12-04 17:49   ` Liviu Dudau
2018-12-14 14:23     ` Ayan Halder
2018-12-03 11:32 ` [RFC AFBC 08/12] drm/arm/malidp: Specified the rotation memory requirements for AFBC YUV formats Ayan Halder
2018-12-04 17:50   ` Liviu Dudau
2018-12-03 11:32 ` [RFC AFBC 09/12] drm/arm/malidp:- Writeback framebuffer does not support any modifiers Ayan Halder
2018-12-04 17:50   ` Liviu Dudau
2018-12-03 11:32 ` [RFC AFBC 10/12] drm/arm/malidp:- Use the newly introduced malidp_format_get_bpp() instead of relying on cpp for calculating framebuffer size Ayan Halder
2018-12-04 17:51   ` Liviu Dudau
2018-12-03 11:32 ` [RFC AFBC 11/12] drm/arm/malidp:- Disregard the pitch alignment constraint for AFBC framebuffer Ayan Halder
2018-12-04 17:52   ` Liviu Dudau
2018-12-03 11:32 ` [RFC v3 AFBC 12/12] drm/arm/malidp: Added support for AFBC modifiers for all layers except DE_SMART Ayan Halder
2018-12-04 17:54   ` Liviu Dudau

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