From patchwork Wed Oct 23 00:09:22 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Sripada, Radhakrishna" X-Patchwork-Id: 11205523 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id D9FC8913 for ; Wed, 23 Oct 2019 00:07:32 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id C1DED2084B for ; Wed, 23 Oct 2019 00:07:32 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C1DED2084B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 3DBE86E935; Wed, 23 Oct 2019 00:07:32 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTPS id E86026E935 for ; Wed, 23 Oct 2019 00:07:30 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga101.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 22 Oct 2019 17:07:30 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.68,218,1569308400"; d="scan'208";a="191657118" Received: from invictus.jf.intel.com ([10.54.75.159]) by orsmga008.jf.intel.com with ESMTP; 22 Oct 2019 17:07:29 -0700 From: Radhakrishna Sripada To: intel-gfx@lists.freedesktop.org Date: Tue, 22 Oct 2019 17:09:22 -0700 Message-Id: <20191023000922.32247-1-radhakrishna.sripada@intel.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191015004741.12051-1-radhakrishna.sripada@intel.com> References: <20191015004741.12051-1-radhakrishna.sripada@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v5 09/10] drm/framebuffer/tgl: Format modifier for Intel Gen 12 render compression with Clear Color X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Nanley Chery , Dhinakaran Pandiyan , Kalyan Kondapally Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Gen12 display can decompress surfaces compressed by render engine with Clear Color, add a new modifier as the driver needs to know the surface was compressed by render engine. V2: Description changes as suggested by Rafael. V3: Mention the Clear Color size of 64 bits in the comments(DK) v4: Fix trailing whitespaces v5: Explain Clear Color in the documentation. Cc: Ville Syrjala Cc: Dhinakaran Pandiyan Cc: Kalyan Kondapally Cc: Rafael Antognolli Cc: Nanley Chery Signed-off-by: Radhakrishna Sripada --- include/uapi/drm/drm_fourcc.h | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h index 1aa6d468c048..6b4d36e0ccd0 100644 --- a/include/uapi/drm/drm_fourcc.h +++ b/include/uapi/drm/drm_fourcc.h @@ -434,6 +434,24 @@ extern "C" { */ #define I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS fourcc_mod_code(INTEL, 7) +/* + * Intel color control surfaces Clear Color(CCS_CC) for Gen-12 render compression. + * + * The main surface is Y-tiled and is at plane index 0 whereas CCS_CC is linear + * and at index 1. The clear color is stored at index 2, and the pitch should + * be ignored. The clear color structure is 256 bits. The first 128 bits represents + * Raw Clear Color Red, Green, Blue and Alpha color each represented by 32 bits. + * The raw clear color is consumed by the 3d engine and generates the converted + * clear color of size 64 bits. The first 32 bits store the Lower Converted Clear + * Color value and the next 32 bits store the Higher Converted Clear Color value + * when applicable. The Converted Clear Color values are consumed by the DE. The + * last 64 bits are used to store Color Discard Enable and Depth Clear Value Valid + * which are ignored by the DE. A CCS_CC cache line corresponds to an area of 4x1 + * tiles in the main surface. The main surface pitch is required to be a multiple + * of 4 tile widths. + */ +#define I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS_CC fourcc_mod_code(INTEL, 8) + /* * Tiled, NV12MT, grouped in 64 (pixels) x 32 (lines) -sized macroblocks * From patchwork Wed Oct 23 00:09:53 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Sripada, Radhakrishna" X-Patchwork-Id: 11205525 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 5ADA013B1 for ; Wed, 23 Oct 2019 00:08:12 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 42CF42084B for ; Wed, 23 Oct 2019 00:08:12 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 42CF42084B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 87E806E937; Wed, 23 Oct 2019 00:08:11 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by gabe.freedesktop.org (Postfix) with ESMTPS id 52C1D6E936 for ; Wed, 23 Oct 2019 00:08:10 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga105.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 22 Oct 2019 17:08:09 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.68,218,1569308400"; d="scan'208";a="227928746" Received: from invictus.jf.intel.com ([10.54.75.159]) by fmsmga002.fm.intel.com with ESMTP; 22 Oct 2019 17:08:08 -0700 From: Radhakrishna Sripada To: intel-gfx@lists.freedesktop.org Date: Tue, 22 Oct 2019 17:09:53 -0700 Message-Id: <20191023000953.32296-1-radhakrishna.sripada@intel.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191015000533.11425-11-radhakrishna.sripada@intel.com> References: <20191015000533.11425-11-radhakrishna.sripada@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v5 10/10] drm/i915/tgl: Add Clear Color supoort for TGL Render Decompression X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Nanley G Chery , Dhinakaran Pandiyan , Ville Syrjala Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Render Decompression is supported with Y-Tiled main surface. The CCS is linear and has 4 bits of data for each main surface cache line pair, a ratio of 1:256. Additional Clear Color information is passed from the user-space through an offset in the GEM BO. Add a new modifier to identify and parse new Clear Color information and extend Gen12 render decompression functionality to the newly added modifier. v2: Fix has_alpha flag for modifiers, omit CC modifier during initial plane config(Matt). Fix Lookup error. v3: Fix the panic while running kms_cube v4: Add alignment check and reuse the comments for ge12_ccs_formats(Matt) v5: Fix typos and wrap comments(Matt) Cc: Dhinakaran Pandiyan Cc: Ville Syrjala Cc: Shashank Sharma Cc: Rafael Antognolli Cc: Nanley G Chery Reviewed-by: Matt Roper Signed-off-by: Radhakrishna Sripada --- drivers/gpu/drm/i915/display/intel_display.c | 52 +++++++++++++++++++ .../drm/i915/display/intel_display_types.h | 3 ++ drivers/gpu/drm/i915/display/intel_sprite.c | 11 +++- drivers/gpu/drm/i915/i915_reg.h | 12 +++++ 4 files changed, 77 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 177fc0e1d8bf..4b08383ce65b 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -1931,6 +1931,10 @@ intel_tile_width_bytes(const struct drm_framebuffer *fb, int color_plane) if (color_plane == 1) return 64; /* fall through */ + case I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS_CC: + if (color_plane == 1 || color_plane == 2) + return 64; + /* fall through */ case I915_FORMAT_MOD_Y_TILED: if (IS_GEN(dev_priv, 2) || HAS_128_BYTE_Y_TILING(dev_priv)) return 128; @@ -2072,6 +2076,7 @@ static unsigned int intel_surf_alignment(const struct drm_framebuffer *fb, return 256 * 1024; return 0; case I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS: + case I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS_CC: return 16 * 1024; case I915_FORMAT_MOD_Y_TILED_CCS: case I915_FORMAT_MOD_Yf_TILED_CCS: @@ -2274,6 +2279,8 @@ static bool is_surface_linear(u64 modifier, int color_plane) return true; case I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS: return color_plane == 1; + case I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS_CC: + return color_plane == 1 || color_plane == 2; case I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS: return color_plane == 1 || color_plane == 3; default: @@ -2467,6 +2474,7 @@ static unsigned int intel_fb_modifier_to_tiling(u64 fb_modifier) case I915_FORMAT_MOD_Y_TILED_CCS: case I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS: case I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS: + case I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS_CC: return I915_TILING_Y; default: return I915_TILING_NONE; @@ -2520,6 +2528,21 @@ static const struct drm_format_info gen12_ccs_formats[] = { .cpp = { 1, 1, 2, 1}, .hsub = 2, .vsub = 2, .is_yuv = true }, }; +/* + * Same as gen12_ccs_formats[] above, but with additional surface used + * to pass Clear Color information in plane 2 with 64 bits of data. + */ +static const struct drm_format_info gen12_ccs_cc_formats[] = { + { .format = DRM_FORMAT_XRGB8888, .depth = 24, .num_planes = 3, + .cpp = { 4, 1, 0, }, .hsub = 2, .vsub = 32, }, + { .format = DRM_FORMAT_XBGR8888, .depth = 24, .num_planes = 3, + .cpp = { 4, 1, 0, }, .hsub = 2, .vsub = 32, }, + { .format = DRM_FORMAT_ARGB8888, .depth = 32, .num_planes = 3, + .cpp = { 4, 1, 0, }, .hsub = 2, .vsub = 32, .has_alpha = true }, + { .format = DRM_FORMAT_ABGR8888, .depth = 32, .num_planes = 3, + .cpp = { 4, 1, 0, }, .hsub = 2, .vsub = 32, .has_alpha = true }, +}; + static const struct drm_format_info * lookup_format_info(const struct drm_format_info formats[], int num_formats, u32 format) @@ -2547,6 +2570,10 @@ intel_get_format_info(const struct drm_mode_fb_cmd2 *cmd) return lookup_format_info(gen12_ccs_formats, ARRAY_SIZE(gen12_ccs_formats), cmd->pixel_format); + case I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS_CC: + return lookup_format_info(gen12_ccs_cc_formats, + ARRAY_SIZE(gen12_ccs_cc_formats), + cmd->pixel_format); default: return NULL; } @@ -2556,6 +2583,7 @@ bool is_ccs_modifier(u64 modifier) { return modifier == I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS || modifier == I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS || + modifier == I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS_CC || modifier == I915_FORMAT_MOD_Y_TILED_CCS || modifier == I915_FORMAT_MOD_Yf_TILED_CCS; } @@ -2743,6 +2771,8 @@ static bool is_ccs_plane(u64 modifier, int color_plane) return false; else if (modifier == I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS) return color_plane == 3 || color_plane == 1; + else if (modifier == I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS_CC) + return color_plane == 1 || color_plane == 2; else return color_plane == 1; } @@ -2811,6 +2841,18 @@ intel_fill_fb_info(struct drm_i915_private *dev_priv, int x, y; int ret; + /* + * Plane 2 of Render Compression with Clear Color fb modifier + * is consumed by the driver and not passed to DE. Skip the + * arithmetic related to alignment and offset calculation. + */ + if (i == 2 && fb->modifier == I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS_CC) { + if (IS_ALIGNED(fb->offsets[2], PAGE_SIZE)) + continue; + else + return -EINVAL; + } + cpp = fb->format->cpp[i]; intel_fb_plane_dims(&width, &height, fb, i); @@ -4269,6 +4311,7 @@ static u32 skl_plane_ctl_tiling(u64 fb_modifier) case I915_FORMAT_MOD_Y_TILED: return PLANE_CTL_TILED_Y; case I915_FORMAT_MOD_Y_TILED_CCS: + case I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS_CC: return PLANE_CTL_TILED_Y | PLANE_CTL_RENDER_DECOMPRESSION_ENABLE; case I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS: return PLANE_CTL_TILED_Y | @@ -15048,6 +15091,15 @@ static int intel_plane_pin_fb(struct intel_plane_state *plane_state) plane_state->vma = vma; + if (fb->modifier == I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS_CC) { + u32 *ccaddr = kmap_atomic(i915_gem_object_get_page(intel_fb_obj(fb), + fb->offsets[2] >> PAGE_SHIFT)); + + plane_state->ccval = ((u64)*(ccaddr + CC_VAL_HIGHER_OFFSET) << 32) + | *(ccaddr + CC_VAL_LOWER_OFFSET); + kunmap_atomic(ccaddr); + } + return 0; } diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h index 599b32ef518f..6fa3594e9dea 100644 --- a/drivers/gpu/drm/i915/display/intel_display_types.h +++ b/drivers/gpu/drm/i915/display/intel_display_types.h @@ -579,6 +579,9 @@ struct intel_plane_state { u32 planar_slave; struct drm_intel_sprite_colorkey ckey; + + /* Clear Color Value */ + u64 ccval; }; struct intel_initial_plane_config { diff --git a/drivers/gpu/drm/i915/display/intel_sprite.c b/drivers/gpu/drm/i915/display/intel_sprite.c index 67e4224a31a3..bdc412d98101 100644 --- a/drivers/gpu/drm/i915/display/intel_sprite.c +++ b/drivers/gpu/drm/i915/display/intel_sprite.c @@ -547,6 +547,7 @@ skl_program_plane(struct intel_plane *plane, u32 plane_color_ctl = 0; unsigned long irqflags; u32 keymsk, keymax; + u64 ccval = plane_state->ccval; plane_ctl |= skl_plane_ctl_crtc(crtc_state); @@ -607,6 +608,10 @@ skl_program_plane(struct intel_plane *plane, if (fb->format->is_yuv && icl_is_hdr_plane(dev_priv, plane_id)) icl_program_input_csc(plane, crtc_state, plane_state); + if (fb->modifier == I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS_CC) + intel_uncore_write64_fw(&dev_priv->uncore, + PLANE_CC_VAL(pipe, plane_id), ccval); + skl_write_plane_wm(plane, crtc_state); I915_WRITE_FW(PLANE_KEYVAL(pipe, plane_id), key->min_value); @@ -1737,7 +1742,8 @@ static int skl_plane_check_fb(const struct intel_crtc_state *crtc_state, fb->modifier == I915_FORMAT_MOD_Y_TILED_CCS || fb->modifier == I915_FORMAT_MOD_Yf_TILED_CCS || fb->modifier == I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS || - fb->modifier == I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS)) { + fb->modifier == I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS || + fb->modifier == I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS_CC)) { DRM_DEBUG_KMS("Y/Yf tiling not supported in IF-ID mode\n"); return -EINVAL; } @@ -2152,6 +2158,7 @@ static const u64 skl_plane_format_modifiers_ccs[] = { static const u64 gen12_plane_format_modifiers_mc_ccs[] = { I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS, I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS, + I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS_CC, I915_FORMAT_MOD_Y_TILED, I915_FORMAT_MOD_X_TILED, DRM_FORMAT_MOD_LINEAR, @@ -2160,6 +2167,7 @@ static const u64 gen12_plane_format_modifiers_mc_ccs[] = { static const u64 gen12_plane_format_modifiers_rc_ccs[] = { I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS, + I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS_CC, I915_FORMAT_MOD_Y_TILED, I915_FORMAT_MOD_X_TILED, DRM_FORMAT_MOD_LINEAR, @@ -2333,6 +2341,7 @@ static bool gen12_plane_format_mod_supported(struct drm_plane *_plane, case I915_FORMAT_MOD_X_TILED: case I915_FORMAT_MOD_Y_TILED: case I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS: + case I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS_CC: break; default: return false; diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 306a8c63080d..ed4107147fef 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -6750,6 +6750,8 @@ enum { #define _PLANE_KEYMAX_1_A 0x701a0 #define _PLANE_KEYMAX_2_A 0x702a0 #define PLANE_KEYMAX_ALPHA(a) ((a) << 24) +#define _PLANE_CC_VAL_1_A 0x701b4 +#define _PLANE_CC_VAL_2_A 0x702b4 #define _PLANE_AUX_DIST_1_A 0x701c0 #define _PLANE_AUX_DIST_2_A 0x702c0 #define _PLANE_AUX_OFFSET_1_A 0x701c4 @@ -6789,6 +6791,16 @@ enum { #define _PLANE_NV12_BUF_CFG_1_A 0x70278 #define _PLANE_NV12_BUF_CFG_2_A 0x70378 +#define _PLANE_CC_VAL_1_B 0x711b4 +#define _PLANE_CC_VAL_2_B 0x712b4 +#define _PLANE_CC_VAL_1(pipe) _PIPE(pipe, _PLANE_CC_VAL_1_A, _PLANE_CC_VAL_1_B) +#define _PLANE_CC_VAL_2(pipe) _PIPE(pipe, _PLANE_CC_VAL_2_A, _PLANE_CC_VAL_2_B) +#define PLANE_CC_VAL(pipe, plane) \ + _MMIO_PLANE(plane, _PLANE_CC_VAL_1(pipe), _PLANE_CC_VAL_2(pipe)) + +#define CC_VAL_LOWER_OFFSET 4 +#define CC_VAL_HIGHER_OFFSET 5 + /* Input CSC Register Definitions */ #define _PLANE_INPUT_CSC_RY_GY_1_A 0x701E0 #define _PLANE_INPUT_CSC_RY_GY_2_A 0x702E0