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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 v2 01/11] drm/framebuffer: Format modifier for Intel Gen-12 render compression
Date: Mon, 23 Sep 2019 17:03:18 -0700	[thread overview]
Message-ID: <20190924000328.29571-2-radhakrishna.sripada@intel.com> (raw)
In-Reply-To: <20190924000328.29571-1-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 3feeaa3f987a..1f0fbf0398f6 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:[~2019-09-24  0:01 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-24  0:03 [PATCH v2 00/11] Clear Color Support for TGL Render Decompression Radhakrishna Sripada
2019-09-24  0:03 ` Radhakrishna Sripada [this message]
2019-09-24  0:03 ` [PATCH v2 02/11] drm/i915: Use intel_tile_height() instead of re-implementing Radhakrishna Sripada
2019-09-24  0:03 ` [PATCH v2 03/11] drm/i915: Move CCS stride alignment W/A inside intel_fb_stride_alignment Radhakrishna Sripada
2019-09-24  0:03 ` [PATCH v2 04/11] drm/i915/tgl: Gen-12 render decompression Radhakrishna Sripada
2019-09-24  0:03 ` [PATCH v2 05/11] drm/i915: Extract framebufer CCS offset checks into a function Radhakrishna Sripada
2019-09-24  0:03 ` [PATCH v2 06/11] drm/framebuffer: Format modifier for Intel Gen-12 media compression Radhakrishna Sripada
2019-09-24  0:03 ` [PATCH v2 07/11] drm/i915: Skip rotated offset adjustment for unsupported modifiers Radhakrishna Sripada
2019-09-24  0:03 ` [PATCH v2 08/11] drm/fb: Extend format_info member arrays to handle four planes Radhakrishna Sripada
2019-09-24  0:03 ` [PATCH v2 09/11] Gen-12 display can decompress surfaces compressed by the media engine Radhakrishna Sripada
2019-09-24  0:03 ` [PATCH v2 10/11] drm/framebuffer/tgl: Format modifier for Intel Gen 12 render compression with Clear Color Radhakrishna Sripada
2019-10-05  0:07   ` Dhinakaran Pandiyan
2019-10-08 23:19     ` Sripada, Radhakrishna
2019-09-24  0:03 ` [PATCH v2 11/11] drm/i915/tgl: Add Clear Color supoort for TGL Render Decompression Radhakrishna Sripada
2019-09-27 22:28   ` [PATCH v3 " Radhakrishna Sripada
2019-10-04 23:52     ` Matt Roper
2019-10-05  0:17       ` Dhinakaran Pandiyan
2019-10-05  0:20         ` Matt Roper
2019-10-08 23:18       ` Sripada, Radhakrishna
2019-09-24  0:29 ` ✗ Fi.CI.CHECKPATCH: warning for Clear Color Support for TGL Render Decompression (rev2) Patchwork
2019-09-24  1:06 ` ✗ Fi.CI.BAT: failure " Patchwork
2019-09-28  0:05 ` ✗ Fi.CI.CHECKPATCH: warning for Clear Color Support for TGL Render Decompression (rev3) Patchwork
2019-09-28  0:44 ` ✗ Fi.CI.BAT: failure " Patchwork

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