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From: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
To: intel-gfx@lists.freedesktop.org
Cc: nanley.g.chery@intel.com,
	Lucas De Marchi <lucas.demarchi@intel.com>,
	dhinakaran.pandiyan@intel.com, ville.syrjala@intel.com
Subject: [PATCH v4 01/10] drm/framebuffer: Format modifier for Intel Gen-12 render compression
Date: Mon, 14 Oct 2019 17:05:24 -0700	[thread overview]
Message-ID: <20191015000533.11425-2-radhakrishna.sripada@intel.com> (raw)
In-Reply-To: <20191015000533.11425-1-radhakrishna.sripada@intel.com>

From: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>

Gen-12 has a new compression format, add a new modifier to indicate that.

Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: Nanley G Chery <nanley.g.chery@intel.com>
Cc: Jason Ekstrand <jason@jlekstrand.net>
Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
---
 include/uapi/drm/drm_fourcc.h | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h
index 2376d36ea573..52107533994c 100644
--- a/include/uapi/drm/drm_fourcc.h
+++ b/include/uapi/drm/drm_fourcc.h
@@ -410,6 +410,17 @@ extern "C" {
 #define I915_FORMAT_MOD_Y_TILED_CCS	fourcc_mod_code(INTEL, 4)
 #define I915_FORMAT_MOD_Yf_TILED_CCS	fourcc_mod_code(INTEL, 5)
 
+/*
+ * Intel color control surfaces (CCS) for Gen-12 render compression.
+ *
+ * The main surface is Y-tiled and at plane index 0, the CCS is linear and
+ * at index 1. A 64B CCS cache line corresponds to an area of 4x1 tiles in
+ * main surface. In other words, 4 bits in CCS map to a main surface cache
+ * line pair. The main surface pitch is required to be a multiple of four
+ * Y-tile widths.
+ */
+#define I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS fourcc_mod_code(INTEL, 6)
+
 /*
  * Tiled, NV12MT, grouped in 64 (pixels) x 32 (lines) -sized macroblocks
  *
-- 
2.20.1

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  reply	other threads:[~2019-10-15  0:03 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-15  0:05 [PATCH v4 00/10] Clear Color Support for TGL Render Decompression Radhakrishna Sripada
2019-10-15  0:05 ` Radhakrishna Sripada [this message]
2019-10-15  0:05 ` [PATCH v4 02/10] drm/i915: Use intel_tile_height() instead of re-implementing Radhakrishna Sripada
2019-10-15  0:05 ` [PATCH v4 03/10] drm/i915: Move CCS stride alignment W/A inside intel_fb_stride_alignment Radhakrishna Sripada
2019-10-15  0:05 ` [PATCH v4 04/10] drm/i915/tgl: Gen-12 render decompression Radhakrishna Sripada
2019-10-15  0:05 ` [PATCH v4 05/10] drm/i915: Extract framebufer CCS offset checks into a function Radhakrishna Sripada
2019-10-15  0:05 ` [PATCH v4 06/10] drm/framebuffer: Format modifier for Intel Gen-12 media compression Radhakrishna Sripada
2019-10-15  0:05 ` [PATCH v4 07/10] drm/fb: Extend format_info member arrays to handle four planes Radhakrishna Sripada
2019-10-15  0:05 ` [PATCH v4 08/10] Gen-12 display can decompress surfaces compressed by the media engine Radhakrishna Sripada
2019-10-15  0:05 ` [PATCH v4 09/10] drm/framebuffer/tgl: Format modifier for Intel Gen 12 render compression with Clear Color Radhakrishna Sripada
2019-10-15  0:47   ` Radhakrishna Sripada
2019-10-23  0:09     ` [PATCH v5 " Radhakrishna Sripada
2019-10-24  0:00       ` Chery, Nanley G
2019-10-24  0:00         ` [Intel-gfx] " Chery, Nanley G
2019-10-28 18:58       ` [PATCH v6 10/10] drm/i915/tgl: Add Clear Color supoort for TGL Render Decompression Radhakrishna Sripada
2019-10-28 18:58         ` [Intel-gfx] " Radhakrishna Sripada
2019-10-15  0:05 ` [PATCH v4 " Radhakrishna Sripada
2019-10-22 18:15   ` Matt Roper
2019-10-22 18:37     ` Sripada, Radhakrishna
2019-10-23  0:09   ` [PATCH v5 " Radhakrishna Sripada
2019-10-15  0:09 ` ✗ Fi.CI.CHECKPATCH: warning for Clear Color Support for TGL Render Decompression (rev4) Patchwork
2019-10-15  0:34 ` ✓ Fi.CI.BAT: success " Patchwork
2019-10-15  1:08 ` ✗ Fi.CI.CHECKPATCH: warning for Clear Color Support for TGL Render Decompression (rev5) Patchwork
2019-10-15  1:56 ` ✓ Fi.CI.BAT: success " Patchwork
2019-10-15 12:12 ` ✓ Fi.CI.IGT: " Patchwork
2019-10-23  1:52 ` ✗ Fi.CI.CHECKPATCH: warning for Clear Color Support for TGL Render Decompression (rev7) Patchwork
2019-10-23  2:35 ` ✓ Fi.CI.BAT: success " Patchwork
2019-10-23 17:20 ` ✓ Fi.CI.IGT: " Patchwork
2019-10-23 17:20   ` [Intel-gfx] " Patchwork

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