diff options
Diffstat (limited to 'drivers/gpu/drm/arc')
| -rw-r--r-- | drivers/gpu/drm/arc/arcpgu_crtc.c | 36 | ||||
| -rw-r--r-- | drivers/gpu/drm/arc/arcpgu_drv.c | 21 | ||||
| -rw-r--r-- | drivers/gpu/drm/arc/arcpgu_hdmi.c | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/arc/arcpgu_regs.h | 2 |
4 files changed, 34 insertions, 26 deletions
diff --git a/drivers/gpu/drm/arc/arcpgu_crtc.c b/drivers/gpu/drm/arc/arcpgu_crtc.c index dfaddbb7da0d..8ae1e1f97a73 100644 --- a/drivers/gpu/drm/arc/arcpgu_crtc.c +++ b/drivers/gpu/drm/arc/arcpgu_crtc.c @@ -20,9 +20,10 @@ #define ENCODE_PGU_XY(x, y) ((((x) - 1) << 16) | ((y) - 1)) -static struct simplefb_format supported_formats[] = { - { "r5g6b5", 16, {11, 5}, {5, 6}, {0, 5}, {0, 0}, DRM_FORMAT_RGB565 }, - { "r8g8b8", 24, {16, 8}, {8, 8}, {0, 8}, {0, 0}, DRM_FORMAT_RGB888 }, +static const u32 arc_pgu_supported_formats[] = { + DRM_FORMAT_RGB565, + DRM_FORMAT_XRGB8888, + DRM_FORMAT_ARGB8888, }; static void arc_pgu_set_pxl_fmt(struct drm_crtc *crtc) @@ -30,22 +31,24 @@ static void arc_pgu_set_pxl_fmt(struct drm_crtc *crtc) struct arcpgu_drm_private *arcpgu = crtc_to_arcpgu_priv(crtc); const struct drm_framebuffer *fb = crtc->primary->state->fb; uint32_t pixel_format = fb->format->format; - struct simplefb_format *format = NULL; + u32 format = DRM_FORMAT_INVALID; int i; + u32 reg_ctrl; - for (i = 0; i < ARRAY_SIZE(supported_formats); i++) { - if (supported_formats[i].fourcc == pixel_format) - format = &supported_formats[i]; + for (i = 0; i < ARRAY_SIZE(arc_pgu_supported_formats); i++) { + if (arc_pgu_supported_formats[i] == pixel_format) + format = arc_pgu_supported_formats[i]; } - if (WARN_ON(!format)) + if (WARN_ON(format == DRM_FORMAT_INVALID)) return; - if (format->fourcc == DRM_FORMAT_RGB888) - arc_pgu_write(arcpgu, ARCPGU_REG_CTRL, - arc_pgu_read(arcpgu, ARCPGU_REG_CTRL) | - ARCPGU_MODE_RGB888_MASK); - + reg_ctrl = arc_pgu_read(arcpgu, ARCPGU_REG_CTRL); + if (format == DRM_FORMAT_RGB565) + reg_ctrl &= ~ARCPGU_MODE_XRGB8888; + else + reg_ctrl |= ARCPGU_MODE_XRGB8888; + arc_pgu_write(arcpgu, ARCPGU_REG_CTRL, reg_ctrl); } static const struct drm_crtc_funcs arc_pgu_crtc_funcs = { @@ -193,18 +196,15 @@ static struct drm_plane *arc_pgu_plane_init(struct drm_device *drm) { struct arcpgu_drm_private *arcpgu = drm->dev_private; struct drm_plane *plane = NULL; - u32 formats[ARRAY_SIZE(supported_formats)], i; int ret; plane = devm_kzalloc(drm->dev, sizeof(*plane), GFP_KERNEL); if (!plane) return ERR_PTR(-ENOMEM); - for (i = 0; i < ARRAY_SIZE(supported_formats); i++) - formats[i] = supported_formats[i].fourcc; - ret = drm_universal_plane_init(drm, plane, 0xff, &arc_pgu_plane_funcs, - formats, ARRAY_SIZE(formats), + arc_pgu_supported_formats, + ARRAY_SIZE(arc_pgu_supported_formats), NULL, DRM_PLANE_TYPE_PRIMARY, NULL); if (ret) diff --git a/drivers/gpu/drm/arc/arcpgu_drv.c b/drivers/gpu/drm/arc/arcpgu_drv.c index af60c6d7a5f4..d6a6692db0ac 100644 --- a/drivers/gpu/drm/arc/arcpgu_drv.c +++ b/drivers/gpu/drm/arc/arcpgu_drv.c @@ -14,6 +14,7 @@ #include <drm/drm_fb_helper.h> #include <drm/drm_gem_cma_helper.h> #include <drm/drm_gem_framebuffer_helper.h> +#include <drm/drm_of.h> #include <drm/drm_probe_helper.h> #include <linux/dma-mapping.h> #include <linux/module.h> @@ -45,7 +46,7 @@ static int arcpgu_load(struct drm_device *drm) { struct platform_device *pdev = to_platform_device(drm->dev); struct arcpgu_drm_private *arcpgu; - struct device_node *encoder_node; + struct device_node *encoder_node = NULL, *endpoint_node = NULL; struct resource *res; int ret; @@ -80,14 +81,23 @@ static int arcpgu_load(struct drm_device *drm) if (arc_pgu_setup_crtc(drm) < 0) return -ENODEV; - /* find the encoder node and initialize it */ - encoder_node = of_parse_phandle(drm->dev->of_node, "encoder-slave", 0); + /* + * There is only one output port inside each device. It is linked with + * encoder endpoint. + */ + endpoint_node = of_graph_get_next_endpoint(pdev->dev.of_node, NULL); + if (endpoint_node) { + encoder_node = of_graph_get_remote_port_parent(endpoint_node); + of_node_put(endpoint_node); + } + if (encoder_node) { ret = arcpgu_drm_hdmi_init(drm, encoder_node); of_node_put(encoder_node); if (ret < 0) return ret; } else { + dev_info(drm->dev, "no encoder found. Assumed virtual LCD on simulation platform\n"); ret = arcpgu_drm_sim_init(drm, NULL); if (ret < 0) return ret; @@ -135,8 +145,7 @@ static int arcpgu_debugfs_init(struct drm_minor *minor) #endif static struct drm_driver arcpgu_drm_driver = { - .driver_features = DRIVER_MODESET | DRIVER_GEM | DRIVER_PRIME | - DRIVER_ATOMIC, + .driver_features = DRIVER_MODESET | DRIVER_GEM | DRIVER_ATOMIC, .name = "arcpgu", .desc = "ARC PGU Controller", .date = "20160219", @@ -150,8 +159,6 @@ static struct drm_driver arcpgu_drm_driver = { .gem_free_object_unlocked = drm_gem_cma_free_object, .gem_print_info = drm_gem_cma_print_info, .gem_vm_ops = &drm_gem_cma_vm_ops, - .gem_prime_export = drm_gem_prime_export, - .gem_prime_import = drm_gem_prime_import, .gem_prime_get_sg_table = drm_gem_cma_prime_get_sg_table, .gem_prime_import_sg_table = drm_gem_cma_prime_import_sg_table, .gem_prime_vmap = drm_gem_cma_prime_vmap, diff --git a/drivers/gpu/drm/arc/arcpgu_hdmi.c b/drivers/gpu/drm/arc/arcpgu_hdmi.c index 98aac743cc26..8fd7094beece 100644 --- a/drivers/gpu/drm/arc/arcpgu_hdmi.c +++ b/drivers/gpu/drm/arc/arcpgu_hdmi.c @@ -5,6 +5,7 @@ * Copyright (C) 2016 Synopsys, Inc. (www.synopsys.com) */ +#include <drm/drm_bridge.h> #include <drm/drm_crtc.h> #include <drm/drm_encoder.h> #include <drm/drm_device.h> diff --git a/drivers/gpu/drm/arc/arcpgu_regs.h b/drivers/gpu/drm/arc/arcpgu_regs.h index dab2c380f7f3..b689a382d556 100644 --- a/drivers/gpu/drm/arc/arcpgu_regs.h +++ b/drivers/gpu/drm/arc/arcpgu_regs.h @@ -25,7 +25,7 @@ #define ARCPGU_CTRL_VS_POL_OFST 0x3 #define ARCPGU_CTRL_HS_POL_MASK 0x1 #define ARCPGU_CTRL_HS_POL_OFST 0x4 -#define ARCPGU_MODE_RGB888_MASK 0x04 +#define ARCPGU_MODE_XRGB8888 BIT(2) #define ARCPGU_STAT_BUSY_MASK 0x02 #endif |
