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Wed, 15 Aug 2018 06:35:49 +0000 From: Lowry Li To: liviu.dudau@arm.com Cc: gustavo@padovan.org, maarten.lankhorst@linux.intel.com, daniel.vetter@intel.com, seanpaul@chromium.org, airlied@linux.ie, ville.syrjala@linux.intel.com, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, brian.starkey@arm.com, malidp@foss.arm.com, emil.l.velikov@gmail.com, nd@arm.com Subject: [PATCH v4 0/2] drm/blend: Add per-plane pixel blend mode property Date: Wed, 15 Aug 2018 14:35:31 +0800 Message-Id: <1534314933-23182-1-git-send-email-lowry.li@arm.com> X-Mailer: git-send-email 1.9.1 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [113.29.88.7] X-ClientProxiedBy: SG2PR01CA0129.apcprd01.prod.exchangelabs.com (2603:1096:4:40::33) To AM0PR08MB3523.eurprd08.prod.outlook.com (2603:10a6:208:dd::23) X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: db91d3e1-5521-44e4-59dd-08d6027959c1 X-MS-Office365-Filtering-HT: Tenant X-Microsoft-Antispam: BCL:0;PCL:0;RULEID:(7020095)(4652040)(8989117)(5600074)(711020)(4618075)(2017052603328)(7153060)(7193020);SRVR:AM0PR08MB3523; 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It also introduces to use it in the malidp driver. Let me know what you think, Lowry Changes for v4: - Refines drm_plane_create_blend_mode_property(). drm_property_add_enum() can calculate the index itself just fine, so no point in having the caller pass it in. - Since the current DRM assumption is that alpha is premultiplied as default, define DRM_MODE_BLEND_PREMULTI as 0 will be better. - Refines some comments. - Updates on drm/malidp, hardware limitation check only when the format has alpha pixel. - Rebases on drm-misc-next and fixed the confilcts Changes for v3: - Refines the comments of drm_plane_create_blend_mode_property: 1) Puts the descriptions (after the ":") on a new line 2) Adds explaining why @supported_modes need PREMUL as default - Refines the comments of drm/mali-dp patchset - Rebased on drm-misc-next and fixed the confilcts with plane alpha patch Changes for v2: - Moves the blending equation into the DOC comment - Refines the comments of drm_plane_create_blend_mode_property to not enumerate the #defines, but instead the string values - Uses fg.* instead of pixel.* and plane_alpha instead of plane.alpha - Introduces to use it in the malidp driver, which depends on the plane alpha patch Changes from v1: - v1 is just the core changes to request for commments - Adds a pixel_blend_mode to drm_plane_state and a blend_mode_property to drm_plane, and related support functions - Defines three blend modes in drm_blend.h - Rebased on current drm-next Lowry Li (2): drm: Add per-plane pixel blend mode property drm/mali-dp: Implement plane alpha and pixel blend on malidp drivers/gpu/drm/arm/malidp_planes.c | 74 ++++++++++++--------- drivers/gpu/drm/drm_atomic.c | 4 ++ drivers/gpu/drm/drm_atomic_helper.c | 1 + drivers/gpu/drm/drm_blend.c | 126 ++++++++++++++++++++++++++++++++++++ include/drm/drm_blend.h | 6 ++ include/drm/drm_plane.h | 2 + 6 files changed, 182 insertions(+), 31 deletions(-) -- 1.9.1