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Fri, 19 Sep 2025 14:48:18 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1758286110; h=from:subject:date:message-id:to:cc:mime-version:content-type: content-transfer-encoding:content-language:in-reply-to:references:autocrypt; bh=edgPX+ZMRVJRPce4J9xc4JzLXJtK189YyGXqaQRiUYM=; b=pKb0WE2p9oZ+vyPQSrTFDsWToBhk1qI+JRFaAL2uYifaYBCiPYp5WW0jE2Ut87D1eU2Sl4 l3jNBhUv6Slqr5P8gIbv5fkhTGfGAu4Z/nBPM6GNOglhs6QtDsk855jKmHGt3pCjlFjtHC BFA6D8N+FUvjsQwRcIIU/MmMEmXM54qN3dayg7O1OuCNWQQ+aFOUD8uoS/QD1/RpVVwTek tGtfGN7hMLG+HlmUpY58mGNauTowpw9+LIF2oxqs9b09OmbLt/TBGvvjM3SoTXVqnJvBE1 P1cnfzlcIHk+l60Yol2+mqpqRtRZzpcKzlx6X4XrOnXYW0G13tDL+l63mvdkRA== Message-ID: <0f63d9e1-8ef6-4d1d-83dc-6666a256f81b@bootlin.com> Date: Fri, 19 Sep 2025 14:48:18 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird From: Louis Chauvet Subject: Re: [PATCH RFC v2 18/20] drm/vkms: Prepare pre_blend_color_transform() for post-blend pipelines To: =?UTF-8?B?TsOtY29sYXMgRi4gUi4gQS4gUHJhZG8=?= , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Chun-Kuang Hu , Philipp Zabel , Matthias Brugger , AngeloGioacchino Del Regno , Haneen Mohammed , Melissa Wen Cc: Alex Hung , wayland-devel@lists.freedesktop.org, harry.wentland@amd.com, leo.liu@amd.com, ville.syrjala@linux.intel.com, pekka.paalanen@collabora.com, contact@emersion.fr, mwen@igalia.com, jadahl@redhat.com, sebastian.wick@redhat.com, shashank.sharma@amd.com, agoins@nvidia.com, joshua@froggi.es, mdaenzer@redhat.com, aleixpol@kde.org, xaver.hugl@gmail.com, victoria@system76.com, uma.shankar@intel.com, quic_naseer@quicinc.com, quic_cbraga@quicinc.com, quic_abhinavk@quicinc.com, marcan@marcan.st, Liviu.Dudau@arm.com, sashamcintosh@google.com, chaitanya.kumar.borah@intel.com, mcanal@igalia.com, kernel@collabora.com, daniels@collabora.com, leandro.ribeiro@collabora.com, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, Simona Vetter References: <20250917-mtk-post-blend-color-pipeline-v2-0-ac4471b44758@collabora.com> <20250917-mtk-post-blend-color-pipeline-v2-18-ac4471b44758@collabora.com> Content-Language: en-US, fr Autocrypt: addr=louis.chauvet@bootlin.com; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Last-TLS-Session-Version: TLSv1.3 Le 18/09/2025 à 02:43, Nícolas F. R. A. Prado a écrit : > As a preparatory step for supporting post-blend color pipelines in VKMS, > rename pre_blend_color_transform() to color_transform() and make it take > the first colorop instead of a plane state, so it can be shared by both > pre- and post-blend color pipeline code paths. > > Signed-off-by: Nícolas F. R. A. Prado Reviewed-by: Louis Chauvet > --- > drivers/gpu/drm/vkms/vkms_composer.c | 8 ++++---- > 1 file changed, 4 insertions(+), 4 deletions(-) > > diff --git a/drivers/gpu/drm/vkms/vkms_composer.c b/drivers/gpu/drm/vkms/vkms_composer.c > index 31b1dd3cd115d930ec3ed498403a8f44208d76c3..05e1551d6330e4dc14563d3a399b3544d11c6576 100644 > --- a/drivers/gpu/drm/vkms/vkms_composer.c > +++ b/drivers/gpu/drm/vkms/vkms_composer.c > @@ -189,13 +189,13 @@ static void apply_colorop(struct pixel_argb_s32 *pixel, struct drm_colorop *colo > } > } > > -static void pre_blend_color_transform(const struct vkms_plane_state *plane_state, > - struct line_buffer *output_buffer) > +static void color_transform(struct drm_colorop *first_colorop, > + struct line_buffer *output_buffer) > { > struct pixel_argb_s32 pixel; > > for (size_t x = 0; x < output_buffer->n_pixels; x++) { > - struct drm_colorop *colorop = plane_state->base.base.color_pipeline; > + struct drm_colorop *colorop = first_colorop; > > /* > * Some operations, such as applying a BT709 encoding matrix, > @@ -449,7 +449,7 @@ static void blend_line(struct vkms_plane_state *current_plane, int y, > */ > current_plane->pixel_read_line(current_plane, src_x_start, src_y_start, direction, > pixel_count, &stage_buffer->pixels[dst_x_start]); > - pre_blend_color_transform(current_plane, stage_buffer); > + color_transform(current_plane->base.base.color_pipeline, stage_buffer); > pre_mul_alpha_blend(stage_buffer, output_buffer, > dst_x_start, pixel_count); > } > -- -- Louis Chauvet, Bootlin Embedded Linux and Kernel engineering https://bootlin.com