diff options
Diffstat (limited to 'drivers/gpu/drm/rcar-du')
| -rw-r--r-- | drivers/gpu/drm/rcar-du/rcar_du_crtc.c | 9 | ||||
| -rw-r--r-- | drivers/gpu/drm/rcar-du/rcar_du_crtc.h | 11 | ||||
| -rw-r--r-- | drivers/gpu/drm/rcar-du/rcar_du_drv.c | 108 | ||||
| -rw-r--r-- | drivers/gpu/drm/rcar-du/rcar_du_drv.h | 26 | ||||
| -rw-r--r-- | drivers/gpu/drm/rcar-du/rcar_du_encoder.c | 28 | ||||
| -rw-r--r-- | drivers/gpu/drm/rcar-du/rcar_du_group.c | 6 | ||||
| -rw-r--r-- | drivers/gpu/drm/rcar-du/rcar_du_kms.c | 50 | ||||
| -rw-r--r-- | drivers/gpu/drm/rcar-du/rcar_du_kms.h | 7 | ||||
| -rw-r--r-- | drivers/gpu/drm/rcar-du/rcar_du_regs.h | 9 | ||||
| -rw-r--r-- | drivers/gpu/drm/rcar-du/rcar_du_vsp.c | 36 | ||||
| -rw-r--r-- | drivers/gpu/drm/rcar-du/rcar_lvds.c | 15 | ||||
| -rw-r--r-- | drivers/gpu/drm/rcar-du/rcar_lvds.h | 5 |
12 files changed, 247 insertions, 63 deletions
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c index ea7e39d03545..5672830ca184 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c @@ -1206,7 +1206,7 @@ int rcar_du_crtc_create(struct rcar_du_group *rgrp, unsigned int swindex, int ret; /* Get the CRTC clock and the optional external clock. */ - if (rcar_du_has(rcdu, RCAR_DU_FEATURE_CRTC_IRQ_CLOCK)) { + if (rcar_du_has(rcdu, RCAR_DU_FEATURE_CRTC_CLOCK)) { sprintf(clk_name, "du.%u", hwindex); name = clk_name; } else { @@ -1243,7 +1243,10 @@ int rcar_du_crtc_create(struct rcar_du_group *rgrp, unsigned int swindex, rcrtc->group = rgrp; rcrtc->mmio_offset = mmio_offsets[hwindex]; rcrtc->index = hwindex; - rcrtc->dsysr = (rcrtc->index % 2 ? 0 : DSYSR_DRES) | DSYSR_TVM_TVSYNC; + rcrtc->dsysr = rcrtc->index % 2 ? 0 : DSYSR_DRES; + + if (rcar_du_has(rcdu, RCAR_DU_FEATURE_TVM_SYNC)) + rcrtc->dsysr |= DSYSR_TVM_TVSYNC; if (rcar_du_has(rcdu, RCAR_DU_FEATURE_VSP1_SOURCE)) primary = &rcrtc->vsp->planes[rcrtc->vsp_pipe].plane; @@ -1269,7 +1272,7 @@ int rcar_du_crtc_create(struct rcar_du_group *rgrp, unsigned int swindex, drm_crtc_helper_add(crtc, &crtc_helper_funcs); /* Register the interrupt handler. */ - if (rcar_du_has(rcdu, RCAR_DU_FEATURE_CRTC_IRQ_CLOCK)) { + if (rcar_du_has(rcdu, RCAR_DU_FEATURE_CRTC_IRQ)) { /* The IRQ's are associated with the CRTC (sw)index. */ irq = platform_get_irq(pdev, swindex); irqflags = 0; diff --git a/drivers/gpu/drm/rcar-du/rcar_du_crtc.h b/drivers/gpu/drm/rcar-du/rcar_du_crtc.h index 5f2940c42225..66e8839db708 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_crtc.h +++ b/drivers/gpu/drm/rcar-du/rcar_du_crtc.h @@ -93,17 +93,6 @@ struct rcar_du_crtc_state { #define to_rcar_crtc_state(s) container_of(s, struct rcar_du_crtc_state, state) -enum rcar_du_output { - RCAR_DU_OUTPUT_DPAD0, - RCAR_DU_OUTPUT_DPAD1, - RCAR_DU_OUTPUT_LVDS0, - RCAR_DU_OUTPUT_LVDS1, - RCAR_DU_OUTPUT_HDMI0, - RCAR_DU_OUTPUT_HDMI1, - RCAR_DU_OUTPUT_TCON, - RCAR_DU_OUTPUT_MAX, -}; - int rcar_du_crtc_create(struct rcar_du_group *rgrp, unsigned int swindex, unsigned int hwindex); diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.c b/drivers/gpu/drm/rcar-du/rcar_du_drv.c index 4ac26d08ebb4..5612a9e7a905 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_drv.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.c @@ -8,6 +8,7 @@ */ #include <linux/clk.h> +#include <linux/dma-mapping.h> #include <linux/io.h> #include <linux/mm.h> #include <linux/module.h> @@ -36,7 +37,8 @@ static const struct rcar_du_device_info rzg1_du_r8a7743_info = { .gen = 2, - .features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK + .features = RCAR_DU_FEATURE_CRTC_IRQ + | RCAR_DU_FEATURE_CRTC_CLOCK | RCAR_DU_FEATURE_INTERLACED | RCAR_DU_FEATURE_TVM_SYNC, .channels_mask = BIT(1) | BIT(0), @@ -58,7 +60,8 @@ static const struct rcar_du_device_info rzg1_du_r8a7743_info = { static const struct rcar_du_device_info rzg1_du_r8a7745_info = { .gen = 2, - .features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK + .features = RCAR_DU_FEATURE_CRTC_IRQ + | RCAR_DU_FEATURE_CRTC_CLOCK | RCAR_DU_FEATURE_INTERLACED | RCAR_DU_FEATURE_TVM_SYNC, .channels_mask = BIT(1) | BIT(0), @@ -79,7 +82,8 @@ static const struct rcar_du_device_info rzg1_du_r8a7745_info = { static const struct rcar_du_device_info rzg1_du_r8a77470_info = { .gen = 2, - .features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK + .features = RCAR_DU_FEATURE_CRTC_IRQ + | RCAR_DU_FEATURE_CRTC_CLOCK | RCAR_DU_FEATURE_INTERLACED | RCAR_DU_FEATURE_TVM_SYNC, .channels_mask = BIT(1) | BIT(0), @@ -105,7 +109,8 @@ static const struct rcar_du_device_info rzg1_du_r8a77470_info = { static const struct rcar_du_device_info rcar_du_r8a774a1_info = { .gen = 3, - .features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK + .features = RCAR_DU_FEATURE_CRTC_IRQ + | RCAR_DU_FEATURE_CRTC_CLOCK | RCAR_DU_FEATURE_VSP1_SOURCE | RCAR_DU_FEATURE_INTERLACED | RCAR_DU_FEATURE_TVM_SYNC, @@ -134,7 +139,8 @@ static const struct rcar_du_device_info rcar_du_r8a774a1_info = { static const struct rcar_du_device_info rcar_du_r8a774b1_info = { .gen = 3, - .features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK + .features = RCAR_DU_FEATURE_CRTC_IRQ + | RCAR_DU_FEATURE_CRTC_CLOCK | RCAR_DU_FEATURE_VSP1_SOURCE | RCAR_DU_FEATURE_INTERLACED | RCAR_DU_FEATURE_TVM_SYNC, @@ -163,7 +169,8 @@ static const struct rcar_du_device_info rcar_du_r8a774b1_info = { static const struct rcar_du_device_info rcar_du_r8a774c0_info = { .gen = 3, - .features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK + .features = RCAR_DU_FEATURE_CRTC_IRQ + | RCAR_DU_FEATURE_CRTC_CLOCK | RCAR_DU_FEATURE_VSP1_SOURCE, .channels_mask = BIT(1) | BIT(0), .routes = { @@ -189,7 +196,8 @@ static const struct rcar_du_device_info rcar_du_r8a774c0_info = { static const struct rcar_du_device_info rcar_du_r8a774e1_info = { .gen = 3, - .features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK + .features = RCAR_DU_FEATURE_CRTC_IRQ + | RCAR_DU_FEATURE_CRTC_CLOCK | RCAR_DU_FEATURE_VSP1_SOURCE | RCAR_DU_FEATURE_INTERLACED | RCAR_DU_FEATURE_TVM_SYNC, @@ -239,7 +247,8 @@ static const struct rcar_du_device_info rcar_du_r8a7779_info = { static const struct rcar_du_device_info rcar_du_r8a7790_info = { .gen = 2, - .features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK + .features = RCAR_DU_FEATURE_CRTC_IRQ + | RCAR_DU_FEATURE_CRTC_CLOCK | RCAR_DU_FEATURE_INTERLACED | RCAR_DU_FEATURE_TVM_SYNC, .quirks = RCAR_DU_QUIRK_ALIGN_128B, @@ -269,7 +278,8 @@ static const struct rcar_du_device_info rcar_du_r8a7790_info = { /* M2-W (r8a7791) and M2-N (r8a7793) are identical */ static const struct rcar_du_device_info rcar_du_r8a7791_info = { .gen = 2, - .features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK + .features = RCAR_DU_FEATURE_CRTC_IRQ + | RCAR_DU_FEATURE_CRTC_CLOCK | RCAR_DU_FEATURE_INTERLACED | RCAR_DU_FEATURE_TVM_SYNC, .channels_mask = BIT(1) | BIT(0), @@ -292,7 +302,8 @@ static const struct rcar_du_device_info rcar_du_r8a7791_info = { static const struct rcar_du_device_info rcar_du_r8a7792_info = { .gen = 2, - .features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK + .features = RCAR_DU_FEATURE_CRTC_IRQ + | RCAR_DU_FEATURE_CRTC_CLOCK | RCAR_DU_FEATURE_INTERLACED | RCAR_DU_FEATURE_TVM_SYNC, .channels_mask = BIT(1) | BIT(0), @@ -311,7 +322,8 @@ static const struct rcar_du_device_info rcar_du_r8a7792_info = { static const struct rcar_du_device_info rcar_du_r8a7794_info = { .gen = 2, - .features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK + .features = RCAR_DU_FEATURE_CRTC_IRQ + | RCAR_DU_FEATURE_CRTC_CLOCK | RCAR_DU_FEATURE_INTERLACED | RCAR_DU_FEATURE_TVM_SYNC, .channels_mask = BIT(1) | BIT(0), @@ -333,7 +345,8 @@ static const struct rcar_du_device_info rcar_du_r8a7794_info = { static const struct rcar_du_device_info rcar_du_r8a7795_info = { .gen = 3, - .features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK + .features = RCAR_DU_FEATURE_CRTC_IRQ + | RCAR_DU_FEATURE_CRTC_CLOCK | RCAR_DU_FEATURE_VSP1_SOURCE | RCAR_DU_FEATURE_INTERLACED | RCAR_DU_FEATURE_TVM_SYNC, @@ -366,7 +379,8 @@ static const struct rcar_du_device_info rcar_du_r8a7795_info = { static const struct rcar_du_device_info rcar_du_r8a7796_info = { .gen = 3, - .features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK + .features = RCAR_DU_FEATURE_CRTC_IRQ + | RCAR_DU_FEATURE_CRTC_CLOCK | RCAR_DU_FEATURE_VSP1_SOURCE | RCAR_DU_FEATURE_INTERLACED | RCAR_DU_FEATURE_TVM_SYNC, @@ -395,7 +409,8 @@ static const struct rcar_du_device_info rcar_du_r8a7796_info = { static const struct rcar_du_device_info rcar_du_r8a77965_info = { .gen = 3, - .features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK + .features = RCAR_DU_FEATURE_CRTC_IRQ + | RCAR_DU_FEATURE_CRTC_CLOCK | RCAR_DU_FEATURE_VSP1_SOURCE | RCAR_DU_FEATURE_INTERLACED | RCAR_DU_FEATURE_TVM_SYNC, @@ -424,7 +439,8 @@ static const struct rcar_du_device_info rcar_du_r8a77965_info = { static const struct rcar_du_device_info rcar_du_r8a77970_info = { .gen = 3, - .features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK + .features = RCAR_DU_FEATURE_CRTC_IRQ + | RCAR_DU_FEATURE_CRTC_CLOCK | RCAR_DU_FEATURE_VSP1_SOURCE | RCAR_DU_FEATURE_INTERLACED | RCAR_DU_FEATURE_TVM_SYNC, @@ -448,7 +464,8 @@ static const struct rcar_du_device_info rcar_du_r8a77970_info = { static const struct rcar_du_device_info rcar_du_r8a7799x_info = { .gen = 3, - .features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK + .features = RCAR_DU_FEATURE_CRTC_IRQ + | RCAR_DU_FEATURE_CRTC_CLOCK | RCAR_DU_FEATURE_VSP1_SOURCE, .channels_mask = BIT(1) | BIT(0), .routes = { @@ -473,6 +490,25 @@ static const struct rcar_du_device_info rcar_du_r8a7799x_info = { .lvds_clk_mask = BIT(1) | BIT(0), }; +static const struct rcar_du_device_info rcar_du_r8a779a0_info = { + .gen = 3, + .features = RCAR_DU_FEATURE_CRTC_IRQ + | RCAR_DU_FEATURE_VSP1_SOURCE, + .channels_mask = BIT(1) | BIT(0), + .routes = { + /* R8A779A0 has two MIPI DSI outputs. */ + [RCAR_DU_OUTPUT_DSI0] = { + .possible_crtcs = BIT(0), + .port = 0, + }, + [RCAR_DU_OUTPUT_DSI1] = { + .possible_crtcs = BIT(1), + .port = 1, + }, + }, + .dsi_clk_mask = BIT(1) | BIT(0), +}; + static const struct of_device_id rcar_du_of_table[] = { { .compatible = "renesas,du-r8a7742", .data = &rcar_du_r8a7790_info }, { .compatible = "renesas,du-r8a7743", .data = &rzg1_du_r8a7743_info }, @@ -497,11 +533,30 @@ static const struct of_device_id rcar_du_of_table[] = { { .compatible = "renesas,du-r8a77980", .data = &rcar_du_r8a77970_info }, { .compatible = "renesas,du-r8a77990", .data = &rcar_du_r8a7799x_info }, { .compatible = "renesas,du-r8a77995", .data = &rcar_du_r8a7799x_info }, + { .compatible = "renesas,du-r8a779a0", .data = &rcar_du_r8a779a0_info }, { } }; MODULE_DEVICE_TABLE(of, rcar_du_of_table); +const char *rcar_du_output_name(enum rcar_du_output output) +{ + static const char * const names[] = { + [RCAR_DU_OUTPUT_DPAD0] = "DPAD0", + [RCAR_DU_OUTPUT_DPAD1] = "DPAD1", + [RCAR_DU_OUTPUT_LVDS0] = "LVDS0", + [RCAR_DU_OUTPUT_LVDS1] = "LVDS1", + [RCAR_DU_OUTPUT_HDMI0] = "HDMI0", + [RCAR_DU_OUTPUT_HDMI1] = "HDMI1", + [RCAR_DU_OUTPUT_TCON] = "TCON", + }; + + if (output >= ARRAY_SIZE(names) || !names[output]) + return "UNKNOWN"; + + return names[output]; +} + /* ----------------------------------------------------------------------------- * DRM operations */ @@ -510,7 +565,11 @@ DEFINE_DRM_GEM_CMA_FOPS(rcar_du_fops); static const struct drm_driver rcar_du_driver = { .driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC, - DRM_GEM_CMA_DRIVER_OPS_WITH_DUMB_CREATE(rcar_du_dumb_create), + .dumb_create = rcar_du_dumb_create, + .prime_handle_to_fd = drm_gem_prime_handle_to_fd, + .prime_fd_to_handle = drm_gem_prime_fd_to_handle, + .gem_prime_import_sg_table = rcar_du_gem_prime_import_sg_table, + .gem_prime_mmap = drm_gem_prime_mmap, .fops = &rcar_du_fops, .name = "rcar-du", .desc = "Renesas R-Car Display Unit", @@ -570,7 +629,7 @@ static void rcar_du_shutdown(struct platform_device *pdev) static int rcar_du_probe(struct platform_device *pdev) { struct rcar_du_device *rcdu; - struct resource *mem; + unsigned int mask; int ret; /* Allocate and initialize the R-Car device structure. */ @@ -585,11 +644,20 @@ static int rcar_du_probe(struct platform_device *pdev) platform_set_drvdata(pdev, rcdu); /* I/O resources */ - mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); - rcdu->mmio = devm_ioremap_resource(&pdev->dev, mem); + rcdu->mmio = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(rcdu->mmio)) return PTR_ERR(rcdu->mmio); + /* + * Set the DMA coherent mask to reflect the DU 32-bit DMA address space + * limitations. When sourcing frames from a VSP the DU doesn't perform + * any memory access so set the mask to 40 bits to accept all buffers. + */ + mask = rcar_du_has(rcdu, RCAR_DU_FEATURE_VSP1_SOURCE) ? 40 : 32; + ret = dma_coerce_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(mask)); + if (ret) + return ret; + /* DRM/KMS objects */ ret = rcar_du_modeset_init(rcdu); if (ret < 0) { diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.h b/drivers/gpu/drm/rcar-du/rcar_du_drv.h index 02ca2d0e1b55..101f42df86ea 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_drv.h +++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.h @@ -26,13 +26,27 @@ struct drm_bridge; struct drm_property; struct rcar_du_device; -#define RCAR_DU_FEATURE_CRTC_IRQ_CLOCK BIT(0) /* Per-CRTC IRQ and clock */ -#define RCAR_DU_FEATURE_VSP1_SOURCE BIT(1) /* Has inputs from VSP1 */ -#define RCAR_DU_FEATURE_INTERLACED BIT(2) /* HW supports interlaced */ -#define RCAR_DU_FEATURE_TVM_SYNC BIT(3) /* Has TV switch/sync modes */ +#define RCAR_DU_FEATURE_CRTC_IRQ BIT(0) /* Per-CRTC IRQ */ +#define RCAR_DU_FEATURE_CRTC_CLOCK BIT(1) /* Per-CRTC clock */ +#define RCAR_DU_FEATURE_VSP1_SOURCE BIT(2) /* Has inputs from VSP1 */ +#define RCAR_DU_FEATURE_INTERLACED BIT(3) /* HW supports interlaced */ +#define RCAR_DU_FEATURE_TVM_SYNC BIT(4) /* Has TV switch/sync modes */ #define RCAR_DU_QUIRK_ALIGN_128B BIT(0) /* Align pitches to 128 bytes */ +enum rcar_du_output { + RCAR_DU_OUTPUT_DPAD0, + RCAR_DU_OUTPUT_DPAD1, + RCAR_DU_OUTPUT_DSI0, + RCAR_DU_OUTPUT_DSI1, + RCAR_DU_OUTPUT_HDMI0, + RCAR_DU_OUTPUT_HDMI1, + RCAR_DU_OUTPUT_LVDS0, + RCAR_DU_OUTPUT_LVDS1, + RCAR_DU_OUTPUT_TCON, + RCAR_DU_OUTPUT_MAX, +}; + /* * struct rcar_du_output_routing - Output routing specification * @possible_crtcs: bitmask of possible CRTCs for the output @@ -56,6 +70,7 @@ struct rcar_du_output_routing { * @routes: array of CRTC to output routes, indexed by output (RCAR_DU_OUTPUT_*) * @num_lvds: number of internal LVDS encoders * @dpll_mask: bit mask of DU channels equipped with a DPLL + * @dsi_clk_mask: bitmask of channels that can use the DSI clock as dot clock * @lvds_clk_mask: bitmask of channels that can use the LVDS clock as dot clock */ struct rcar_du_device_info { @@ -66,6 +81,7 @@ struct rcar_du_device_info { struct rcar_du_output_routing routes[RCAR_DU_OUTPUT_MAX]; unsigned int num_lvds; unsigned int dpll_mask; + unsigned int dsi_clk_mask; unsigned int lvds_clk_mask; }; @@ -126,4 +142,6 @@ static inline void rcar_du_write(struct rcar_du_device *rcdu, u32 reg, u32 data) iowrite32(data, rcdu->mmio + reg); } +const char *rcar_du_output_name(enum rcar_du_output output); + #endif /* __RCAR_DU_DRV_H__ */ diff --git a/drivers/gpu/drm/rcar-du/rcar_du_encoder.c b/drivers/gpu/drm/rcar-du/rcar_du_encoder.c index 0daa8bba50f5..3977aaa1ab5a 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_encoder.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_encoder.c @@ -86,17 +86,25 @@ int rcar_du_encoder_init(struct rcar_du_device *rcdu, } /* - * Create and initialize the encoder. On Gen3 skip the LVDS1 output if + * Create and initialize the encoder. On Gen3, skip the LVDS1 output if * the LVDS1 encoder is used as a companion for LVDS0 in dual-link - * mode. + * mode, or any LVDS output if it isn't connected. The latter may happen + * on D3 or E3 as the LVDS encoders are needed to provide the pixel + * clock to the DU, even when the LVDS outputs are not used. */ - if (rcdu->info->gen >= 3 && output == RCAR_DU_OUTPUT_LVDS1) { - if (rcar_lvds_dual_link(bridge)) + if (rcdu->info->gen >= 3) { + if (output == RCAR_DU_OUTPUT_LVDS1 && + rcar_lvds_dual_link(bridge)) + return -ENOLINK; + + if ((output == RCAR_DU_OUTPUT_LVDS0 || + output == RCAR_DU_OUTPUT_LVDS1) && + !rcar_lvds_is_connected(bridge)) return -ENOLINK; } - dev_dbg(rcdu->dev, "initializing encoder %pOF for output %u\n", - enc_node, output); + dev_dbg(rcdu->dev, "initializing encoder %pOF for output %s\n", + enc_node, rcar_du_output_name(output)); renc = drmm_encoder_alloc(&rcdu->ddev, struct rcar_du_encoder, base, &rcar_du_encoder_funcs, DRM_MODE_ENCODER_NONE, @@ -110,8 +118,9 @@ int rcar_du_encoder_init(struct rcar_du_device *rcdu, ret = drm_bridge_attach(&renc->base, bridge, NULL, DRM_BRIDGE_ATTACH_NO_CONNECTOR); if (ret) { - dev_err(rcdu->dev, "failed to attach bridge for output %u\n", - output); + dev_err(rcdu->dev, + "failed to attach bridge %pOF for output %s (%d)\n", + bridge->of_node, rcar_du_output_name(output), ret); return ret; } @@ -119,7 +128,8 @@ int rcar_du_encoder_init(struct rcar_du_device *rcdu, connector = drm_bridge_connector_init(&rcdu->ddev, &renc->base); if (IS_ERR(connector)) { dev_err(rcdu->dev, - "failed to created connector for output %u\n", output); + "failed to created connector for output %s (%ld)\n", + rcar_du_output_name(output), PTR_ERR(connector)); return PTR_ERR(connector); } diff --git a/drivers/gpu/drm/rcar-du/rcar_du_group.c b/drivers/gpu/drm/rcar-du/rcar_du_group.c index 88a783ceb3e9..8665a1dd2186 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_group.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_group.c @@ -122,10 +122,12 @@ static void rcar_du_group_setup_didsr(struct rcar_du_group *rgrp) didsr = DIDSR_CODE; for (i = 0; i < num_crtcs; ++i, ++rcrtc) { if (rcdu->info->lvds_clk_mask & BIT(rcrtc->index)) - didsr |= DIDSR_LCDS_LVDS0(i) + didsr |= DIDSR_LDCS_LVDS0(i) | DIDSR_PDCS_CLK(i, 0); + else if (rcdu->info->dsi_clk_mask & BIT(rcrtc->index)) + didsr |= DIDSR_LDCS_DSI(i); else - didsr |= DIDSR_LCDS_DCLKIN(i) + didsr |= DIDSR_LDCS_DCLKIN(i) | DIDSR_PDCS_CLK(i, 0); } diff --git a/drivers/gpu/drm/rcar-du/rcar_du_kms.c b/drivers/gpu/drm/rcar-du/rcar_du_kms.c index fdb8a0d127ad..eacb1f17f747 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_kms.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_kms.c @@ -19,6 +19,7 @@ #include <drm/drm_vblank.h> #include <linux/device.h> +#include <linux/dma-buf.h> #include <linux/of_graph.h> #include <linux/of_platform.h> #include <linux/wait.h> @@ -325,6 +326,51 @@ const struct rcar_du_format_info *rcar_du_format_info(u32 fourcc) * Frame buffer */ +static const struct drm_gem_object_funcs rcar_du_gem_funcs = { + .free = drm_gem_cma_free_object, + .print_info = drm_gem_cma_print_info, + .get_sg_table = drm_gem_cma_get_sg_table, + .vmap = drm_gem_cma_vmap, + .mmap = drm_gem_cma_mmap, + .vm_ops = &drm_gem_cma_vm_ops, +}; + +struct drm_gem_object *rcar_du_gem_prime_import_sg_table(struct drm_device *dev, + struct dma_buf_attachment *attach, + struct sg_table *sgt) +{ + struct rcar_du_device *rcdu = to_rcar_du_device(dev); + struct drm_gem_cma_object *cma_obj; + struct drm_gem_object *gem_obj; + int ret; + + if (!rcar_du_has(rcdu, RCAR_DU_FEATURE_VSP1_SOURCE)) + return drm_gem_cma_prime_import_sg_table(dev, attach, sgt); + + /* Create a CMA GEM buffer. */ + cma_obj = kzalloc(sizeof(*cma_obj), GFP_KERNEL); + if (!cma_obj) + return ERR_PTR(-ENOMEM); + + gem_obj = &cma_obj->base; + gem_obj->funcs = &rcar_du_gem_funcs; + + drm_gem_private_object_init(dev, gem_obj, attach->dmabuf->size); + cma_obj->map_noncoherent = false; + + ret = drm_gem_create_mmap_offset(gem_obj); + if (ret) { + drm_gem_object_release(gem_obj); + kfree(cma_obj); + return ERR_PTR(ret); + } + + cma_obj->paddr = 0; + cma_obj->sgt = sgt; + + return gem_obj; +} + int rcar_du_dumb_create(struct drm_file *file, struct drm_device *dev, struct drm_mode_create_dumb *args) { @@ -513,8 +559,8 @@ static int rcar_du_encoders_init_one(struct rcar_du_device *rcdu, ret = rcar_du_encoder_init(rcdu, output, entity); if (ret && ret != -EPROBE_DEFER && ret != -ENOLINK) dev_warn(rcdu->dev, - "failed to initialize encoder %pOF on output %u (%d), skipping\n", - entity, output, ret); + "failed to initialize encoder %pOF on output %s (%d), skipping\n", + entity, rcar_du_output_name(output), ret); of_node_put(entity); diff --git a/drivers/gpu/drm/rcar-du/rcar_du_kms.h b/drivers/gpu/drm/rcar-du/rcar_du_kms.h index 8f5fff176754..789154e19535 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_kms.h +++ b/drivers/gpu/drm/rcar-du/rcar_du_kms.h @@ -12,10 +12,13 @@ #include <linux/types.h> +struct dma_buf_attachment; struct drm_file; struct drm_device; +struct drm_gem_object; struct drm_mode_create_dumb; struct rcar_du_device; +struct sg_table; struct rcar_du_format_info { u32 fourcc; @@ -34,4 +37,8 @@ int rcar_du_modeset_init(struct rcar_du_device *rcdu); int rcar_du_dumb_create(struct drm_file *file, struct drm_device *dev, struct drm_mode_create_dumb *args); +struct drm_gem_object *rcar_du_gem_prime_import_sg_table(struct drm_device *dev, + struct dma_buf_attachment *attach, + struct sg_table *sgt); + #endif /* __RCAR_DU_KMS_H__ */ diff --git a/drivers/gpu/drm/rcar-du/rcar_du_regs.h b/drivers/gpu/drm/rcar-du/rcar_du_regs.h index fb9964949368..1cdaa51eb9ac 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_regs.h +++ b/drivers/gpu/drm/rcar-du/rcar_du_regs.h @@ -257,10 +257,11 @@ #define DIDSR 0x20028 #define DIDSR_CODE (0x7790 << 16) -#define DIDSR_LCDS_DCLKIN(n) (0 << (8 + (n) * 2)) -#define DIDSR_LCDS_LVDS0(n) (2 << (8 + (n) * 2)) -#define DIDSR_LCDS_LVDS1(n) (3 << (8 + (n) * 2)) -#define DIDSR_LCDS_MASK(n) (3 << (8 + (n) * 2)) +#define DIDSR_LDCS_DCLKIN(n) (0 << (8 + (n) * 2)) +#define DIDSR_LDCS_DSI(n) (2 << (8 + (n) * 2)) /* V3U only */ +#define DIDSR_LDCS_LVDS0(n) (2 << (8 + (n) * 2)) +#define DIDSR_LDCS_LVDS1(n) (3 << (8 + (n) * 2)) +#define DIDSR_LDCS_MASK(n) (3 << (8 + (n) * 2)) #define DIDSR_PDCS_CLK(n, clk) (clk << ((n) * 2)) #define DIDSR_PDCS_MASK(n) (3 << ((n) * 2)) diff --git a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c index 23e41c83c875..b7fc5b069cbc 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c @@ -187,17 +187,43 @@ int rcar_du_vsp_map_fb(struct rcar_du_vsp *vsp, struct drm_framebuffer *fb, struct sg_table sg_tables[3]) { struct rcar_du_device *rcdu = vsp->dev; - unsigned int i; + unsigned int i, j; int ret; for (i = 0; i < fb->format->num_planes; ++i) { struct drm_gem_cma_object *gem = drm_fb_cma_get_gem_obj(fb, i); struct sg_table *sgt = &sg_tables[i]; - ret = dma_get_sgtable(rcdu->dev, sgt, gem->vaddr, gem->paddr, - gem->base.size); - if (ret) - goto fail; + if (gem->sgt) { + struct scatterlist *src; + struct scatterlist *dst; + + /* + * If the GEM buffer has a scatter gather table, it has + * been imported from a dma-buf and has no physical + * address as it might not be physically contiguous. + * Copy the original scatter gather table to map it to + * the VSP. + */ + ret = sg_alloc_table(sgt, gem->sgt->orig_nents, + GFP_KERNEL); + if (ret) + goto fail; + + src = gem->sgt->sgl; + dst = sgt->sgl; + for (j = 0; j < gem->sgt->orig_nents; ++j) { + sg_set_page(dst, sg_page(src), src->length, + src->offset); + src = sg_next(src); + dst = sg_next(dst); + } + } else { + ret = dma_get_sgtable(rcdu->dev, sgt, gem->vaddr, + gem->paddr, gem->base.size); + if (ret) + goto fail; + } ret = vsp1_du_map_sg(vsp->vsp, sgt); if (ret) { diff --git a/drivers/gpu/drm/rcar-du/rcar_lvds.c b/drivers/gpu/drm/rcar-du/rcar_lvds.c index d061b8de748f..72a272cfc11e 100644 --- a/drivers/gpu/drm/rcar-du/rcar_lvds.c +++ b/drivers/gpu/drm/rcar-du/rcar_lvds.c @@ -576,6 +576,9 @@ static int rcar_lvds_attach(struct drm_bridge *bridge, { struct rcar_lvds *lvds = bridge_to_rcar_lvds(bridge); + if (!lvds->next_bridge) + return 0; + return drm_bridge_attach(bridge->encoder, lvds->next_bridge, bridge, flags); } @@ -598,6 +601,14 @@ bool rcar_lvds_dual_link(struct drm_bridge *bridge) } EXPORT_SYMBOL_GPL(rcar_lvds_dual_link); +bool rcar_lvds_is_connected(struct drm_bridge *bridge) +{ + struct rcar_lvds *lvds = bridge_to_rcar_lvds(bridge); + + return lvds->next_bridge != NULL; +} +EXPORT_SYMBOL_GPL(rcar_lvds_is_connected); + /* ----------------------------------------------------------------------------- * Probe & Remove */ @@ -802,7 +813,6 @@ static int rcar_lvds_probe(struct platform_device *pdev) { const struct soc_device_attribute *attr; struct rcar_lvds *lvds; - struct resource *mem; int ret; lvds = devm_kzalloc(&pdev->dev, sizeof(*lvds), GFP_KERNEL); @@ -825,8 +835,7 @@ static int rcar_lvds_probe(struct platform_device *pdev) lvds->bridge.funcs = &rcar_lvds_bridge_ops; lvds->bridge.of_node = pdev->dev.of_node; - mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); - lvds->mmio = devm_ioremap_resource(&pdev->dev, mem); + lvds->mmio = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(lvds->mmio)) return PTR_ERR(lvds->mmio); diff --git a/drivers/gpu/drm/rcar-du/rcar_lvds.h b/drivers/gpu/drm/rcar-du/rcar_lvds.h index 222ec0e60785..eb7c6ef03b00 100644 --- a/drivers/gpu/drm/rcar-du/rcar_lvds.h +++ b/drivers/gpu/drm/rcar-du/rcar_lvds.h @@ -16,6 +16,7 @@ struct drm_bridge; int rcar_lvds_clk_enable(struct drm_bridge *bridge, unsigned long freq); void rcar_lvds_clk_disable(struct drm_bridge *bridge); bool rcar_lvds_dual_link(struct drm_bridge *bridge); +bool rcar_lvds_is_connected(struct drm_bridge *bridge); #else static inline int rcar_lvds_clk_enable(struct drm_bridge *bridge, unsigned long freq) @@ -27,6 +28,10 @@ static inline bool rcar_lvds_dual_link(struct drm_bridge *bridge) { return false; } +static inline bool rcar_lvds_is_connected(struct drm_bridge *bridge) +{ + return false; +} #endif /* CONFIG_DRM_RCAR_LVDS */ #endif /* __RCAR_LVDS_H__ */ |