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Thu, 21 Mar 2024 15:44:05 -0500 From: Anatoliy Klymenko Date: Thu, 21 Mar 2024 13:43:44 -0700 Subject: [PATCH v3 6/9] drm: xlnx: zynqmp_dpsub: Set input live format Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-ID: <20240321-dp-live-fmt-v3-6-d5090d796b7e@amd.com> References: <20240321-dp-live-fmt-v3-0-d5090d796b7e@amd.com> In-Reply-To: <20240321-dp-live-fmt-v3-0-d5090d796b7e@amd.com> To: Laurent Pinchart , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Daniel Vetter , Michal Simek , Andrzej Hajda , Neil Armstrong , Robert Foss , Jonas Karlman , Jernej Skrabec , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Mauro Carvalho Chehab CC: Tomi Valkeinen , , , , , , Anatoliy Klymenko X-Mailer: b4 0.13.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BN3PEPF0000B373:EE_|SJ2PR12MB7894:EE_ X-MS-Office365-Filtering-Correlation-Id: 86ae9ccd-74b6-4eb6-0f03-08dc49e7a7c7 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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In the bridge mode of operation, DPSUB is connected to FPGA CRTC which almost certainly supports a single media bus format as its output. Expect this to be delivered via the new bridge atomic state. Program DPSUB registers accordingly. Update zynqmp_disp_layer_set_format() API to fit both live and non-live layer types. Signed-off-by: Anatoliy Klymenko --- drivers/gpu/drm/xlnx/zynqmp_disp.c | 66 +++++++++++++++++++++++++------------- drivers/gpu/drm/xlnx/zynqmp_disp.h | 2 +- drivers/gpu/drm/xlnx/zynqmp_dp.c | 13 +++++--- drivers/gpu/drm/xlnx/zynqmp_kms.c | 2 +- 4 files changed, 55 insertions(+), 28 deletions(-) diff --git a/drivers/gpu/drm/xlnx/zynqmp_disp.c b/drivers/gpu/drm/xlnx/zynqmp_disp.c index 0c2b3f4bffa6..a385d22d428e 100644 --- a/drivers/gpu/drm/xlnx/zynqmp_disp.c +++ b/drivers/gpu/drm/xlnx/zynqmp_disp.c @@ -436,19 +436,28 @@ static void zynqmp_disp_avbuf_set_format(struct zynqmp_disp *disp, const struct zynqmp_disp_format *fmt) { unsigned int i; - u32 val; + u32 val, reg; - val = zynqmp_disp_avbuf_read(disp, ZYNQMP_DISP_AV_BUF_FMT); - val &= zynqmp_disp_layer_is_video(layer) - ? ~ZYNQMP_DISP_AV_BUF_FMT_NL_VID_MASK - : ~ZYNQMP_DISP_AV_BUF_FMT_NL_GFX_MASK; - val |= fmt->buf_fmt; - zynqmp_disp_avbuf_write(disp, ZYNQMP_DISP_AV_BUF_FMT, val); + layer->disp_fmt = fmt; + if (layer->mode == ZYNQMP_DPSUB_LAYER_NONLIVE) { + reg = ZYNQMP_DISP_AV_BUF_FMT; + val = zynqmp_disp_avbuf_read(disp, ZYNQMP_DISP_AV_BUF_FMT); + val &= zynqmp_disp_layer_is_video(layer) + ? ~ZYNQMP_DISP_AV_BUF_FMT_NL_VID_MASK + : ~ZYNQMP_DISP_AV_BUF_FMT_NL_GFX_MASK; + val |= fmt->buf_fmt; + } else { + reg = zynqmp_disp_layer_is_video(layer) + ? ZYNQMP_DISP_AV_BUF_LIVE_VID_CONFIG + : ZYNQMP_DISP_AV_BUF_LIVE_GFX_CONFIG; + val = fmt->buf_fmt; + } + zynqmp_disp_avbuf_write(disp, reg, val); for (i = 0; i < ZYNQMP_DISP_AV_BUF_NUM_SF; i++) { - unsigned int reg = zynqmp_disp_layer_is_video(layer) - ? ZYNQMP_DISP_AV_BUF_VID_COMP_SF(i) - : ZYNQMP_DISP_AV_BUF_GFX_COMP_SF(i); + reg = zynqmp_disp_layer_is_video(layer) + ? ZYNQMP_DISP_AV_BUF_VID_COMP_SF(i) + : ZYNQMP_DISP_AV_BUF_GFX_COMP_SF(i); zynqmp_disp_avbuf_write(disp, reg, fmt->sf[i]); } @@ -902,25 +911,33 @@ static void zynqmp_disp_audio_disable(struct zynqmp_disp *disp) */ /** - * zynqmp_disp_layer_find_format - Find format information for a DRM format + * zynqmp_disp_layer_find_format - Find format information for a DRM or media + * bus format * @layer: The layer - * @drm_fmt: DRM format to search + * @drm_or_bus_format: DRM or media bus format * * Search display subsystem format information corresponding to the given DRM - * format @drm_fmt for the @layer, and return a pointer to the format - * descriptor. + * or media bus format @drm_or_bus_format for the @layer, and return a pointer + * to the format descriptor. Search key choice depends on @layer mode, for live + * layers search is done by zynqmp_disp_format.bus_fmt, and for non-live layers + * zynqmp_disp_format.drm_fmt is used. * * Return: A pointer to the format descriptor if found, NULL otherwise */ static const struct zynqmp_disp_format * zynqmp_disp_layer_find_format(struct zynqmp_disp_layer *layer, - u32 drm_fmt) + u32 drm_or_bus_format) { unsigned int i; + const struct zynqmp_disp_format *disp_format; for (i = 0; i < layer->info->num_formats; i++) { - if (layer->info->formats[i].drm_fmt == drm_fmt) - return &layer->info->formats[i]; + disp_format = &layer->info->formats[i]; + if ((layer->mode == ZYNQMP_DPSUB_LAYER_LIVE && + disp_format->bus_fmt == drm_or_bus_format) || + (layer->mode == ZYNQMP_DPSUB_LAYER_NONLIVE && + disp_format->drm_fmt == drm_or_bus_format)) + return disp_format; } return NULL; @@ -992,20 +1009,25 @@ void zynqmp_disp_layer_disable(struct zynqmp_disp_layer *layer) /** * zynqmp_disp_layer_set_format - Set the layer format * @layer: The layer - * @info: The format info + * @drm_or_bus_format: DRM or media bus format * * Set the format for @layer to @info. The layer must be disabled. */ void zynqmp_disp_layer_set_format(struct zynqmp_disp_layer *layer, - const struct drm_format_info *info) + u32 drm_or_bus_format) { unsigned int i; - layer->disp_fmt = zynqmp_disp_layer_find_format(layer, info->format); - layer->drm_fmt = info; + layer->disp_fmt = zynqmp_disp_layer_find_format(layer, drm_or_bus_format); + if (WARN_ON(!layer->disp_fmt)) + return; zynqmp_disp_avbuf_set_format(layer->disp, layer, layer->disp_fmt); + layer->drm_fmt = drm_format_info(layer->disp_fmt->drm_fmt); + if (!layer->drm_fmt) + return; + if (layer->mode == ZYNQMP_DPSUB_LAYER_LIVE) return; @@ -1013,7 +1035,7 @@ void zynqmp_disp_layer_set_format(struct zynqmp_disp_layer *layer, * Set pconfig for each DMA channel to indicate they're part of a * video group. */ - for (i = 0; i < info->num_planes; i++) { + for (i = 0; i < layer->drm_fmt->num_planes; i++) { struct zynqmp_disp_layer_dma *dma = &layer->dmas[i]; struct xilinx_dpdma_peripheral_config pconfig = { .video_group = true, diff --git a/drivers/gpu/drm/xlnx/zynqmp_disp.h b/drivers/gpu/drm/xlnx/zynqmp_disp.h index 88c285a12e23..9f9a5f50ffbc 100644 --- a/drivers/gpu/drm/xlnx/zynqmp_disp.h +++ b/drivers/gpu/drm/xlnx/zynqmp_disp.h @@ -55,7 +55,7 @@ u32 *zynqmp_disp_layer_formats(struct zynqmp_disp_layer *layer, void zynqmp_disp_layer_enable(struct zynqmp_disp_layer *layer); void zynqmp_disp_layer_disable(struct zynqmp_disp_layer *layer); void zynqmp_disp_layer_set_format(struct zynqmp_disp_layer *layer, - const struct drm_format_info *info); + u32 drm_or_bus_format); int zynqmp_disp_layer_update(struct zynqmp_disp_layer *layer, struct drm_plane_state *state); diff --git a/drivers/gpu/drm/xlnx/zynqmp_dp.c b/drivers/gpu/drm/xlnx/zynqmp_dp.c index e3b9eb3d9273..200e63636006 100644 --- a/drivers/gpu/drm/xlnx/zynqmp_dp.c +++ b/drivers/gpu/drm/xlnx/zynqmp_dp.c @@ -1299,15 +1299,20 @@ static void zynqmp_dp_disp_enable(struct zynqmp_dp *dp, struct drm_bridge_state *old_bridge_state) { struct zynqmp_disp_layer *layer; - const struct drm_format_info *info; + struct drm_bridge_state *bridge_state; + u32 bus_fmt; layer = zynqmp_dp_disp_connected_live_layer(dp); if (!layer) return; - /* TODO: Make the format configurable. */ - info = drm_format_info(DRM_FORMAT_YUV422); - zynqmp_disp_layer_set_format(layer, info); + bridge_state = drm_atomic_get_new_bridge_state(old_bridge_state->base.state, + old_bridge_state->bridge); + if (WARN_ON(!bridge_state)) + return; + + bus_fmt = bridge_state->input_bus_cfg.format; + zynqmp_disp_layer_set_format(layer, bus_fmt); zynqmp_disp_layer_enable(layer); if (layer == dp->dpsub->layers[ZYNQMP_DPSUB_LAYER_GFX]) diff --git a/drivers/gpu/drm/xlnx/zynqmp_kms.c b/drivers/gpu/drm/xlnx/zynqmp_kms.c index bf9fba01df0e..d96b3f3f2e3a 100644 --- a/drivers/gpu/drm/xlnx/zynqmp_kms.c +++ b/drivers/gpu/drm/xlnx/zynqmp_kms.c @@ -111,7 +111,7 @@ static void zynqmp_dpsub_plane_atomic_update(struct drm_plane *plane, if (old_state->fb) zynqmp_disp_layer_disable(layer); - zynqmp_disp_layer_set_format(layer, new_state->fb->format); + zynqmp_disp_layer_set_format(layer, new_state->fb->format->format); } zynqmp_disp_layer_update(layer, new_state); -- 2.25.1