diff options
Diffstat (limited to 'drivers/gpu/drm/sysfb')
| -rw-r--r-- | drivers/gpu/drm/sysfb/drm_sysfb_helper.h | 34 | ||||
| -rw-r--r-- | drivers/gpu/drm/sysfb/drm_sysfb_modeset.c | 153 | ||||
| -rw-r--r-- | drivers/gpu/drm/sysfb/efidrm.c | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/sysfb/ofdrm.c | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/sysfb/simpledrm.c | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/sysfb/vesadrm.c | 4 |
6 files changed, 189 insertions, 8 deletions
diff --git a/drivers/gpu/drm/sysfb/drm_sysfb_helper.h b/drivers/gpu/drm/sysfb/drm_sysfb_helper.h index 89633e30ca62..da670d7eeb2e 100644 --- a/drivers/gpu/drm/sysfb/drm_sysfb_helper.h +++ b/drivers/gpu/drm/sysfb/drm_sysfb_helper.h @@ -10,12 +10,19 @@ #include <drm/drm_crtc.h> #include <drm/drm_device.h> +#include <drm/drm_gem_atomic_helper.h> #include <drm/drm_modes.h> struct drm_format_info; struct drm_scanout_buffer; struct screen_info; +typedef void (*drm_sysfb_blit_func)(struct iosys_map *, const unsigned int *, + const struct iosys_map *, + const struct drm_framebuffer *, + const struct drm_rect *, + struct drm_format_conv_state *); + /* * Input parsing */ @@ -93,10 +100,25 @@ static inline struct drm_sysfb_device *to_drm_sysfb_device(struct drm_device *de * Plane */ +struct drm_sysfb_plane_state { + struct drm_shadow_plane_state base; + + /* transfers framebuffer data to scanout buffer in CRTC format */ + drm_sysfb_blit_func blit_to_crtc; +}; + +static inline struct drm_sysfb_plane_state * +to_drm_sysfb_plane_state(struct drm_plane_state *base) +{ + return container_of(to_drm_shadow_plane_state(base), struct drm_sysfb_plane_state, base); +} + size_t drm_sysfb_build_fourcc_list(struct drm_device *dev, const u32 *native_fourccs, size_t native_nfourccs, u32 *fourccs_out, size_t nfourccs_out); +int drm_sysfb_plane_helper_begin_fb_access(struct drm_plane *plane, + struct drm_plane_state *plane_state); int drm_sysfb_plane_helper_atomic_check(struct drm_plane *plane, struct drm_atomic_state *new_state); void drm_sysfb_plane_helper_atomic_update(struct drm_plane *plane, @@ -114,16 +136,24 @@ int drm_sysfb_plane_helper_get_scanout_buffer(struct drm_plane *plane, DRM_FORMAT_MOD_INVALID #define DRM_SYSFB_PLANE_HELPER_FUNCS \ - DRM_GEM_SHADOW_PLANE_HELPER_FUNCS, \ + .begin_fb_access = drm_sysfb_plane_helper_begin_fb_access, \ + .end_fb_access = drm_gem_end_shadow_fb_access, \ .atomic_check = drm_sysfb_plane_helper_atomic_check, \ .atomic_update = drm_sysfb_plane_helper_atomic_update, \ .atomic_disable = drm_sysfb_plane_helper_atomic_disable, \ .get_scanout_buffer = drm_sysfb_plane_helper_get_scanout_buffer +void drm_sysfb_plane_reset(struct drm_plane *plane); +struct drm_plane_state *drm_sysfb_plane_atomic_duplicate_state(struct drm_plane *plane); +void drm_sysfb_plane_atomic_destroy_state(struct drm_plane *plane, + struct drm_plane_state *plane_state); + #define DRM_SYSFB_PLANE_FUNCS \ + .reset = drm_sysfb_plane_reset, \ .update_plane = drm_atomic_helper_update_plane, \ .disable_plane = drm_atomic_helper_disable_plane, \ - DRM_GEM_SHADOW_PLANE_FUNCS + .atomic_duplicate_state = drm_sysfb_plane_atomic_duplicate_state, \ + .atomic_destroy_state = drm_sysfb_plane_atomic_destroy_state /* * CRTC diff --git a/drivers/gpu/drm/sysfb/drm_sysfb_modeset.c b/drivers/gpu/drm/sysfb/drm_sysfb_modeset.c index ddb4a7523ee6..6214b7709b37 100644 --- a/drivers/gpu/drm/sysfb/drm_sysfb_modeset.c +++ b/drivers/gpu/drm/sysfb/drm_sysfb_modeset.c @@ -11,7 +11,6 @@ #include <drm/drm_edid.h> #include <drm/drm_fourcc.h> #include <drm/drm_framebuffer.h> -#include <drm/drm_gem_atomic_helper.h> #include <drm/drm_gem_framebuffer_helper.h> #include <drm/drm_panic.h> #include <drm/drm_print.h> @@ -185,6 +184,104 @@ size_t drm_sysfb_build_fourcc_list(struct drm_device *dev, } EXPORT_SYMBOL(drm_sysfb_build_fourcc_list); +static void drm_sysfb_plane_state_destroy(struct drm_sysfb_plane_state *sysfb_plane_state) +{ + __drm_gem_destroy_shadow_plane_state(&sysfb_plane_state->base); + + kfree(sysfb_plane_state); +} + +static void drm_sysfb_memcpy(struct iosys_map *dst, const unsigned int *dst_pitch, + const struct iosys_map *src, const struct drm_framebuffer *fb, + const struct drm_rect *clip, struct drm_format_conv_state *state) +{ + drm_fb_memcpy(dst, dst_pitch, src, fb, clip); +} + +static drm_sysfb_blit_func drm_sysfb_get_blit_func(u32 dst_format, u32 src_format) +{ + if (src_format == dst_format) { + return drm_sysfb_memcpy; + } else if (src_format == DRM_FORMAT_XRGB8888) { + switch (dst_format) { + case DRM_FORMAT_RGB565: + return drm_fb_xrgb8888_to_rgb565; + case DRM_FORMAT_RGB565 | DRM_FORMAT_BIG_ENDIAN: + return drm_fb_xrgb8888_to_rgb565be; + case DRM_FORMAT_XRGB1555: + return drm_fb_xrgb8888_to_xrgb1555; + case DRM_FORMAT_ARGB1555: + return drm_fb_xrgb8888_to_argb1555; + case DRM_FORMAT_RGBA5551: + return drm_fb_xrgb8888_to_rgba5551; + case DRM_FORMAT_RGB888: + return drm_fb_xrgb8888_to_rgb888; + case DRM_FORMAT_BGR888: + return drm_fb_xrgb8888_to_bgr888; + case DRM_FORMAT_ARGB8888: + return drm_fb_xrgb8888_to_argb8888; + case DRM_FORMAT_XBGR8888: + return drm_fb_xrgb8888_to_xbgr8888; + case DRM_FORMAT_ABGR8888: + return drm_fb_xrgb8888_to_abgr8888; + case DRM_FORMAT_XRGB2101010: + return drm_fb_xrgb8888_to_xrgb2101010; + case DRM_FORMAT_ARGB2101010: + return drm_fb_xrgb8888_to_argb2101010; + case DRM_FORMAT_BGRX8888: + return drm_fb_xrgb8888_to_bgrx8888; + case DRM_FORMAT_RGB332: + return drm_fb_xrgb8888_to_rgb332; + } + } + + return NULL; +} + +int drm_sysfb_plane_helper_begin_fb_access(struct drm_plane *plane, + struct drm_plane_state *plane_state) +{ + struct drm_device *dev = plane->dev; + struct drm_sysfb_plane_state *sysfb_plane_state = to_drm_sysfb_plane_state(plane_state); + struct drm_framebuffer *fb = plane_state->fb; + struct drm_crtc_state *crtc_state; + struct drm_sysfb_crtc_state *sysfb_crtc_state; + drm_sysfb_blit_func blit_to_crtc; + int ret; + + ret = drm_gem_begin_shadow_fb_access(plane, plane_state); + if (ret) + return ret; + + if (!fb) + return 0; + + ret = -EINVAL; + + crtc_state = drm_atomic_get_new_crtc_state(plane_state->state, plane_state->crtc); + if (drm_WARN_ON_ONCE(dev, !crtc_state)) + goto err_drm_gem_end_shadow_fb_access; + sysfb_crtc_state = to_drm_sysfb_crtc_state(crtc_state); + + if (drm_WARN_ON_ONCE(dev, !sysfb_crtc_state->format)) + goto err_drm_gem_end_shadow_fb_access; + blit_to_crtc = drm_sysfb_get_blit_func(sysfb_crtc_state->format->format, + fb->format->format); + if (!blit_to_crtc) { + drm_warn_once(dev, "No blit helper from %p4cc to %p4cc found.\n", + &fb->format->format, &sysfb_crtc_state->format->format); + goto err_drm_gem_end_shadow_fb_access; + } + sysfb_plane_state->blit_to_crtc = blit_to_crtc; + + return 0; + +err_drm_gem_end_shadow_fb_access: + drm_gem_end_shadow_fb_access(plane, plane_state); + return ret; +} +EXPORT_SYMBOL(drm_sysfb_plane_helper_begin_fb_access); + int drm_sysfb_plane_helper_atomic_check(struct drm_plane *plane, struct drm_atomic_state *new_state) { @@ -235,12 +332,14 @@ void drm_sysfb_plane_helper_atomic_update(struct drm_plane *plane, struct drm_at struct drm_sysfb_device *sysfb = to_drm_sysfb_device(dev); struct drm_plane_state *plane_state = drm_atomic_get_new_plane_state(state, plane); struct drm_plane_state *old_plane_state = drm_atomic_get_old_plane_state(state, plane); - struct drm_shadow_plane_state *shadow_plane_state = to_drm_shadow_plane_state(plane_state); + struct drm_sysfb_plane_state *sysfb_plane_state = to_drm_sysfb_plane_state(plane_state); + struct drm_shadow_plane_state *shadow_plane_state = &sysfb_plane_state->base; struct drm_framebuffer *fb = plane_state->fb; unsigned int dst_pitch = sysfb->fb_pitch; struct drm_crtc_state *crtc_state = drm_atomic_get_new_crtc_state(state, plane_state->crtc); struct drm_sysfb_crtc_state *sysfb_crtc_state = to_drm_sysfb_crtc_state(crtc_state); const struct drm_format_info *dst_format = sysfb_crtc_state->format; + drm_sysfb_blit_func blit_to_crtc = sysfb_plane_state->blit_to_crtc; struct drm_atomic_helper_damage_iter iter; struct drm_rect damage; int ret, idx; @@ -261,8 +360,8 @@ void drm_sysfb_plane_helper_atomic_update(struct drm_plane *plane, struct drm_at continue; iosys_map_incr(&dst, drm_fb_clip_offset(dst_pitch, dst_format, &dst_clip)); - drm_fb_blit(&dst, &dst_pitch, dst_format->format, shadow_plane_state->data, fb, - &damage, &shadow_plane_state->fmtcnv_state); + blit_to_crtc(&dst, &dst_pitch, shadow_plane_state->data, fb, &damage, + &shadow_plane_state->fmtcnv_state); } drm_dev_exit(idx); @@ -321,6 +420,52 @@ int drm_sysfb_plane_helper_get_scanout_buffer(struct drm_plane *plane, } EXPORT_SYMBOL(drm_sysfb_plane_helper_get_scanout_buffer); +void drm_sysfb_plane_reset(struct drm_plane *plane) +{ + struct drm_sysfb_plane_state *sysfb_plane_state; + + if (plane->state) + drm_sysfb_plane_state_destroy(to_drm_sysfb_plane_state(plane->state)); + + sysfb_plane_state = kzalloc(sizeof(*sysfb_plane_state), GFP_KERNEL); + if (sysfb_plane_state) + __drm_gem_reset_shadow_plane(plane, &sysfb_plane_state->base); + else + __drm_gem_reset_shadow_plane(plane, NULL); +} +EXPORT_SYMBOL(drm_sysfb_plane_reset); + +struct drm_plane_state *drm_sysfb_plane_atomic_duplicate_state(struct drm_plane *plane) +{ + struct drm_device *dev = plane->dev; + struct drm_plane_state *plane_state = plane->state; + struct drm_sysfb_plane_state *sysfb_plane_state; + struct drm_sysfb_plane_state *new_sysfb_plane_state; + struct drm_shadow_plane_state *new_shadow_plane_state; + + if (drm_WARN_ON(dev, !plane_state)) + return NULL; + sysfb_plane_state = to_drm_sysfb_plane_state(plane_state); + + new_sysfb_plane_state = kzalloc(sizeof(*new_sysfb_plane_state), GFP_KERNEL); + if (!new_sysfb_plane_state) + return NULL; + new_shadow_plane_state = &new_sysfb_plane_state->base; + + __drm_gem_duplicate_shadow_plane_state(plane, new_shadow_plane_state); + new_sysfb_plane_state->blit_to_crtc = sysfb_plane_state->blit_to_crtc; + + return &new_shadow_plane_state->base; +} +EXPORT_SYMBOL(drm_sysfb_plane_atomic_duplicate_state); + +void drm_sysfb_plane_atomic_destroy_state(struct drm_plane *plane, + struct drm_plane_state *plane_state) +{ + drm_sysfb_plane_state_destroy(to_drm_sysfb_plane_state(plane_state)); +} +EXPORT_SYMBOL(drm_sysfb_plane_atomic_destroy_state); + /* * CRTC */ diff --git a/drivers/gpu/drm/sysfb/efidrm.c b/drivers/gpu/drm/sysfb/efidrm.c index 1883c4a8604c..1b683d55d6ea 100644 --- a/drivers/gpu/drm/sysfb/efidrm.c +++ b/drivers/gpu/drm/sysfb/efidrm.c @@ -21,6 +21,7 @@ #include <drm/drm_gem_shmem_helper.h> #include <drm/drm_managed.h> #include <drm/drm_modeset_helper_vtables.h> +#include <drm/drm_print.h> #include <drm/drm_probe_helper.h> #include <video/edid.h> diff --git a/drivers/gpu/drm/sysfb/ofdrm.c b/drivers/gpu/drm/sysfb/ofdrm.c index 8d8ab39c5f36..d38ba70f4e0d 100644 --- a/drivers/gpu/drm/sysfb/ofdrm.c +++ b/drivers/gpu/drm/sysfb/ofdrm.c @@ -21,6 +21,7 @@ #include <drm/drm_gem_shmem_helper.h> #include <drm/drm_managed.h> #include <drm/drm_modeset_helper_vtables.h> +#include <drm/drm_print.h> #include <drm/drm_probe_helper.h> #include "drm_sysfb_helper.h" diff --git a/drivers/gpu/drm/sysfb/simpledrm.c b/drivers/gpu/drm/sysfb/simpledrm.c index 0358164a623c..7a95d2dacd9d 100644 --- a/drivers/gpu/drm/sysfb/simpledrm.c +++ b/drivers/gpu/drm/sysfb/simpledrm.c @@ -2,8 +2,9 @@ #include <linux/aperture.h> #include <linux/clk.h> -#include <linux/of_clk.h> #include <linux/minmax.h> +#include <linux/of_address.h> +#include <linux/of_clk.h> #include <linux/of_reserved_mem.h> #include <linux/platform_data/simplefb.h> #include <linux/platform_device.h> @@ -24,6 +25,7 @@ #include <drm/drm_gem_shmem_helper.h> #include <drm/drm_managed.h> #include <drm/drm_modeset_helper_vtables.h> +#include <drm/drm_print.h> #include <drm/drm_probe_helper.h> #include "drm_sysfb_helper.h" diff --git a/drivers/gpu/drm/sysfb/vesadrm.c b/drivers/gpu/drm/sysfb/vesadrm.c index 16a4b52d45c6..7b7b5ba26317 100644 --- a/drivers/gpu/drm/sysfb/vesadrm.c +++ b/drivers/gpu/drm/sysfb/vesadrm.c @@ -22,6 +22,7 @@ #include <drm/drm_gem_shmem_helper.h> #include <drm/drm_managed.h> #include <drm/drm_modeset_helper_vtables.h> +#include <drm/drm_print.h> #include <drm/drm_probe_helper.h> #include <video/edid.h> @@ -295,7 +296,8 @@ static int vesadrm_primary_plane_helper_atomic_check(struct drm_plane *plane, } static const struct drm_plane_helper_funcs vesadrm_primary_plane_helper_funcs = { - DRM_GEM_SHADOW_PLANE_HELPER_FUNCS, + .begin_fb_access = drm_sysfb_plane_helper_begin_fb_access, + .end_fb_access = drm_gem_end_shadow_fb_access, .atomic_check = vesadrm_primary_plane_helper_atomic_check, .atomic_update = drm_sysfb_plane_helper_atomic_update, .atomic_disable = drm_sysfb_plane_helper_atomic_disable, |