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Tue, 13 Jun 2023 00:06:15 -0700 From: Manikandan Muralidharan To: , , , , , , , , , , , , , , Subject: [PATCH 9/9] drm: atmel-hlcdc: add support for DSI output formats Date: Tue, 13 Jun 2023 12:34:26 +0530 Message-ID: <20230613070426.467389-10-manikandan.m@microchip.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230613070426.467389-1-manikandan.m@microchip.com> References: <20230613070426.467389-1-manikandan.m@microchip.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Balakrishnan.S@microchip.com, Nayabbasha.Sayed@microchip.com, Balamanikandan.Gunasundar@microchip.com, Manikandan , Varshini.Rajendran@microchip.com, Dharma.B@microchip.com, Durai Manickam KR , Hari.PrasathGE@microchip.com Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Add support for the following DPI mode if the encoder type is DSI as per the XLCDC IP datasheet: - 16BPPCFG1 - 16BPPCFG2 - 16BPPCFG3 - 18BPPCFG1 - 18BPPCFG2 - 24BPP Signed-off-by: Manikandan Muralidharan [durai.manickamkr@microchip.com: update output format using is_xlcdc flag] Signed-off-by: Durai Manickam KR --- .../gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c | 117 +++++++++++++----- 1 file changed, 86 insertions(+), 31 deletions(-) diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c index abdece982507..dc8361ebf05b 100644 --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c @@ -265,11 +265,18 @@ static void atmel_hlcdc_crtc_atomic_enable(struct drm_crtc *c, } -#define ATMEL_HLCDC_RGB444_OUTPUT BIT(0) -#define ATMEL_HLCDC_RGB565_OUTPUT BIT(1) -#define ATMEL_HLCDC_RGB666_OUTPUT BIT(2) -#define ATMEL_HLCDC_RGB888_OUTPUT BIT(3) -#define ATMEL_HLCDC_OUTPUT_MODE_MASK GENMASK(3, 0) +#define ATMEL_HLCDC_RGB444_OUTPUT BIT(0) +#define ATMEL_HLCDC_RGB565_OUTPUT BIT(1) +#define ATMEL_HLCDC_RGB666_OUTPUT BIT(2) +#define ATMEL_HLCDC_RGB888_OUTPUT BIT(3) +#define ATMEL_HLCDC_DPI_RGB565C1_OUTPUT BIT(4) +#define ATMEL_HLCDC_DPI_RGB565C2_OUTPUT BIT(5) +#define ATMEL_HLCDC_DPI_RGB565C3_OUTPUT BIT(6) +#define ATMEL_HLCDC_DPI_RGB666C1_OUTPUT BIT(7) +#define ATMEL_HLCDC_DPI_RGB666C2_OUTPUT BIT(8) +#define ATMEL_HLCDC_DPI_RGB888_OUTPUT BIT(9) +#define ATMEL_HLCDC_OUTPUT_MODE_MASK GENMASK(3, 0) +#define ATMEL_XLCDC_OUTPUT_MODE_MASK GENMASK(9, 0) static int atmel_hlcdc_connector_output_mode(struct drm_connector_state *state) { @@ -283,37 +290,83 @@ static int atmel_hlcdc_connector_output_mode(struct drm_connector_state *state) if (!encoder) encoder = connector->encoder; - switch (atmel_hlcdc_encoder_get_bus_fmt(encoder)) { - case 0: - break; - case MEDIA_BUS_FMT_RGB444_1X12: - return ATMEL_HLCDC_RGB444_OUTPUT; - case MEDIA_BUS_FMT_RGB565_1X16: - return ATMEL_HLCDC_RGB565_OUTPUT; - case MEDIA_BUS_FMT_RGB666_1X18: - return ATMEL_HLCDC_RGB666_OUTPUT; - case MEDIA_BUS_FMT_RGB888_1X24: - return ATMEL_HLCDC_RGB888_OUTPUT; - default: - return -EINVAL; - } - - for (j = 0; j < info->num_bus_formats; j++) { - switch (info->bus_formats[j]) { - case MEDIA_BUS_FMT_RGB444_1X12: - supported_fmts |= ATMEL_HLCDC_RGB444_OUTPUT; + if (encoder->encoder_type == DRM_MODE_ENCODER_DSI) { + /* + * atmel-hlcdc to support DSI formats with DSI video pipeline + * when DRM_MODE_ENCODER_DSI type is set by + * connector driver component. + */ + switch (atmel_hlcdc_encoder_get_bus_fmt(encoder)) { + case 0: break; case MEDIA_BUS_FMT_RGB565_1X16: - supported_fmts |= ATMEL_HLCDC_RGB565_OUTPUT; - break; + return ATMEL_HLCDC_DPI_RGB565C1_OUTPUT; case MEDIA_BUS_FMT_RGB666_1X18: - supported_fmts |= ATMEL_HLCDC_RGB666_OUTPUT; - break; + return ATMEL_HLCDC_DPI_RGB666C1_OUTPUT; + case MEDIA_BUS_FMT_RGB666_1X24_CPADHI: + return ATMEL_HLCDC_DPI_RGB666C2_OUTPUT; case MEDIA_BUS_FMT_RGB888_1X24: - supported_fmts |= ATMEL_HLCDC_RGB888_OUTPUT; - break; + return ATMEL_HLCDC_DPI_RGB888_OUTPUT; default: + return -EINVAL; + } + + for (j = 0; j < info->num_bus_formats; j++) { + switch (info->bus_formats[j]) { + case MEDIA_BUS_FMT_RGB565_1X16: + supported_fmts |= + ATMEL_HLCDC_DPI_RGB565C1_OUTPUT; + break; + case MEDIA_BUS_FMT_RGB666_1X18: + supported_fmts |= + ATMEL_HLCDC_DPI_RGB666C1_OUTPUT; + break; + case MEDIA_BUS_FMT_RGB666_1X24_CPADHI: + supported_fmts |= + ATMEL_HLCDC_DPI_RGB666C2_OUTPUT; + break; + case MEDIA_BUS_FMT_RGB888_1X24: + supported_fmts |= + ATMEL_HLCDC_DPI_RGB888_OUTPUT; + break; + default: + break; + } + } + + } else { + switch (atmel_hlcdc_encoder_get_bus_fmt(encoder)) { + case 0: break; + case MEDIA_BUS_FMT_RGB444_1X12: + return ATMEL_HLCDC_RGB444_OUTPUT; + case MEDIA_BUS_FMT_RGB565_1X16: + return ATMEL_HLCDC_RGB565_OUTPUT; + case MEDIA_BUS_FMT_RGB666_1X18: + return ATMEL_HLCDC_RGB666_OUTPUT; + case MEDIA_BUS_FMT_RGB888_1X24: + return ATMEL_HLCDC_RGB888_OUTPUT; + default: + return -EINVAL; + } + + for (j = 0; j < info->num_bus_formats; j++) { + switch (info->bus_formats[j]) { + case MEDIA_BUS_FMT_RGB444_1X12: + supported_fmts |= ATMEL_HLCDC_RGB444_OUTPUT; + break; + case MEDIA_BUS_FMT_RGB565_1X16: + supported_fmts |= ATMEL_HLCDC_RGB565_OUTPUT; + break; + case MEDIA_BUS_FMT_RGB666_1X18: + supported_fmts |= ATMEL_HLCDC_RGB666_OUTPUT; + break; + case MEDIA_BUS_FMT_RGB888_1X24: + supported_fmts |= ATMEL_HLCDC_RGB888_OUTPUT; + break; + default: + break; + } } } @@ -322,7 +375,7 @@ static int atmel_hlcdc_connector_output_mode(struct drm_connector_state *state) static int atmel_hlcdc_crtc_select_output_mode(struct drm_crtc_state *state) { - unsigned int output_fmts = ATMEL_HLCDC_OUTPUT_MODE_MASK; + unsigned int output_fmts; struct atmel_hlcdc_crtc_state *hstate; struct drm_connector_state *cstate; struct drm_connector *connector; @@ -330,6 +383,8 @@ static int atmel_hlcdc_crtc_select_output_mode(struct drm_crtc_state *state) int i; crtc = drm_crtc_to_atmel_hlcdc_crtc(state->crtc); + output_fmts = crtc->dc->is_xlcdc ? ATMEL_XLCDC_OUTPUT_MODE_MASK : + ATMEL_HLCDC_OUTPUT_MODE_MASK; for_each_new_connector_in_state(state->state, connector, cstate, i) { unsigned int supported_fmts = 0; -- 2.25.1