From 686d263856a9d5e1b3f66c7795308af9e8e20d96 Mon Sep 17 00:00:00 2001 From: Paul Kocialkowski Date: Fri, 23 Nov 2018 10:24:33 +0100 Subject: drm/sun4i: Cleanup video/YUV source before enabling a layer This adds a dedicated function for cleaning the video and YUV source channel layer enable bits. This function is called first on layer atomic update to make sure that there are no leftover bits from previous plane configuration that were not cleaned until now. It fixes issues when alternating between video and YUV planes, where both bits would be set eventually, leading to broken plane display. Signed-off-by: Paul Kocialkowski Signed-off-by: Maxime Ripard Link: https://patchwork.freedesktop.org/patch/msgid/20181123092515.2511-2-paul.kocialkowski@bootlin.com --- drivers/gpu/drm/sun4i/sun4i_backend.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/gpu/drm/sun4i/sun4i_backend.h') diff --git a/drivers/gpu/drm/sun4i/sun4i_backend.h b/drivers/gpu/drm/sun4i/sun4i_backend.h index e3d4c6035eb2..339dbff1cce4 100644 --- a/drivers/gpu/drm/sun4i/sun4i_backend.h +++ b/drivers/gpu/drm/sun4i/sun4i_backend.h @@ -208,5 +208,7 @@ int sun4i_backend_update_layer_frontend(struct sun4i_backend *backend, int layer, uint32_t in_fmt); int sun4i_backend_update_layer_zpos(struct sun4i_backend *backend, int layer, struct drm_plane *plane); +void sun4i_backend_cleanup_layer(struct sun4i_backend *backend, + int layer); #endif /* _SUN4I_BACKEND_H_ */ -- cgit v1.2.3 From 3d4265f89d064df2a6952e3f24a3da4fd687cc65 Mon Sep 17 00:00:00 2001 From: Paul Kocialkowski Date: Fri, 23 Nov 2018 10:24:36 +0100 Subject: drm/sun4i: backend: Add a helper and a list for supported formats In order to check whether the backend supports a specific format, an explicit list and a related helper are introduced. The prototype of this helper is added to the header so that it can be called from sun4i_layer later (when introducing tiled mode support). Signed-off-by: Paul Kocialkowski Signed-off-by: Maxime Ripard Link: https://patchwork.freedesktop.org/patch/msgid/20181123092515.2511-5-paul.kocialkowski@bootlin.com --- drivers/gpu/drm/sun4i/sun4i_backend.c | 27 +++++++++++++++++++++++++++ drivers/gpu/drm/sun4i/sun4i_backend.h | 1 + 2 files changed, 28 insertions(+) (limited to 'drivers/gpu/drm/sun4i/sun4i_backend.h') diff --git a/drivers/gpu/drm/sun4i/sun4i_backend.c b/drivers/gpu/drm/sun4i/sun4i_backend.c index c3444246755b..7dd24eb03f89 100644 --- a/drivers/gpu/drm/sun4i/sun4i_backend.c +++ b/drivers/gpu/drm/sun4i/sun4i_backend.c @@ -155,6 +155,33 @@ static int sun4i_backend_drm_format_to_layer(u32 format, u32 *mode) return 0; } +static const uint32_t sun4i_backend_formats[] = { + DRM_FORMAT_ARGB1555, + DRM_FORMAT_ARGB4444, + DRM_FORMAT_ARGB8888, + DRM_FORMAT_BGRX8888, + DRM_FORMAT_RGB565, + DRM_FORMAT_RGB888, + DRM_FORMAT_RGBA4444, + DRM_FORMAT_RGBA5551, + DRM_FORMAT_UYVY, + DRM_FORMAT_VYUY, + DRM_FORMAT_XRGB8888, + DRM_FORMAT_YUYV, + DRM_FORMAT_YVYU, +}; + +bool sun4i_backend_format_is_supported(uint32_t fmt) +{ + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(sun4i_backend_formats); i++) + if (sun4i_backend_formats[i] == fmt) + return true; + + return false; +} + int sun4i_backend_update_layer_coord(struct sun4i_backend *backend, int layer, struct drm_plane *plane) { diff --git a/drivers/gpu/drm/sun4i/sun4i_backend.h b/drivers/gpu/drm/sun4i/sun4i_backend.h index 339dbff1cce4..93db3af675b3 100644 --- a/drivers/gpu/drm/sun4i/sun4i_backend.h +++ b/drivers/gpu/drm/sun4i/sun4i_backend.h @@ -198,6 +198,7 @@ engine_to_sun4i_backend(struct sunxi_engine *engine) void sun4i_backend_layer_enable(struct sun4i_backend *backend, int layer, bool enable); +bool sun4i_backend_format_is_supported(uint32_t fmt); int sun4i_backend_update_layer_coord(struct sun4i_backend *backend, int layer, struct drm_plane *plane); int sun4i_backend_update_layer_formats(struct sun4i_backend *backend, -- cgit v1.2.3 From 02a3ce3c2a67f3c3693029bc650f0c0571d9a3a2 Mon Sep 17 00:00:00 2001 From: Paul Kocialkowski Date: Fri, 23 Nov 2018 10:25:04 +0100 Subject: drm/sun4i: Pass modifier to backend and frontend format support helpers To prepare the introduction of tiled mode support, pass the framebuffer format modifier to the helpers dealing with format support. Since only linear mode is supported for now, add corresponding checks in each helper. Signed-off-by: Paul Kocialkowski Signed-off-by: Maxime Ripard Link: https://patchwork.freedesktop.org/patch/msgid/20181123092515.2511-33-paul.kocialkowski@bootlin.com --- drivers/gpu/drm/sun4i/sun4i_backend.c | 10 +++++++--- drivers/gpu/drm/sun4i/sun4i_backend.h | 2 +- drivers/gpu/drm/sun4i/sun4i_frontend.c | 5 ++++- drivers/gpu/drm/sun4i/sun4i_frontend.h | 2 +- 4 files changed, 13 insertions(+), 6 deletions(-) (limited to 'drivers/gpu/drm/sun4i/sun4i_backend.h') diff --git a/drivers/gpu/drm/sun4i/sun4i_backend.c b/drivers/gpu/drm/sun4i/sun4i_backend.c index f43c4b0f1e5d..9e9255ee59cd 100644 --- a/drivers/gpu/drm/sun4i/sun4i_backend.c +++ b/drivers/gpu/drm/sun4i/sun4i_backend.c @@ -175,10 +175,13 @@ static const uint32_t sun4i_backend_formats[] = { DRM_FORMAT_YVYU, }; -bool sun4i_backend_format_is_supported(uint32_t fmt) +bool sun4i_backend_format_is_supported(uint32_t fmt, uint64_t modifier) { unsigned int i; + if (modifier != DRM_FORMAT_MOD_LINEAR) + return false; + for (i = 0; i < ARRAY_SIZE(sun4i_backend_formats); i++) if (sun4i_backend_formats[i] == fmt) return true; @@ -454,14 +457,15 @@ static bool sun4i_backend_plane_uses_frontend(struct drm_plane_state *state) struct sun4i_layer *layer = plane_to_sun4i_layer(state->plane); struct sun4i_backend *backend = layer->backend; uint32_t format = state->fb->format->format; + uint64_t modifier = state->fb->modifier; if (IS_ERR(backend->frontend)) return false; - if (!sun4i_frontend_format_is_supported(format)) + if (!sun4i_frontend_format_is_supported(format, modifier)) return false; - if (!sun4i_backend_format_is_supported(format)) + if (!sun4i_backend_format_is_supported(format, modifier)) return true; /* diff --git a/drivers/gpu/drm/sun4i/sun4i_backend.h b/drivers/gpu/drm/sun4i/sun4i_backend.h index 93db3af675b3..01f66463271b 100644 --- a/drivers/gpu/drm/sun4i/sun4i_backend.h +++ b/drivers/gpu/drm/sun4i/sun4i_backend.h @@ -198,7 +198,7 @@ engine_to_sun4i_backend(struct sunxi_engine *engine) void sun4i_backend_layer_enable(struct sun4i_backend *backend, int layer, bool enable); -bool sun4i_backend_format_is_supported(uint32_t fmt); +bool sun4i_backend_format_is_supported(uint32_t fmt, uint64_t modifier); int sun4i_backend_update_layer_coord(struct sun4i_backend *backend, int layer, struct drm_plane *plane); int sun4i_backend_update_layer_formats(struct sun4i_backend *backend, diff --git a/drivers/gpu/drm/sun4i/sun4i_frontend.c b/drivers/gpu/drm/sun4i/sun4i_frontend.c index 5d765764bff9..1a7ebc45747e 100644 --- a/drivers/gpu/drm/sun4i/sun4i_frontend.c +++ b/drivers/gpu/drm/sun4i/sun4i_frontend.c @@ -163,10 +163,13 @@ static const uint32_t sun4i_frontend_formats[] = { DRM_FORMAT_XRGB8888, }; -bool sun4i_frontend_format_is_supported(uint32_t fmt) +bool sun4i_frontend_format_is_supported(uint32_t fmt, uint64_t modifier) { unsigned int i; + if (modifier != DRM_FORMAT_MOD_LINEAR) + return false; + for (i = 0; i < ARRAY_SIZE(sun4i_frontend_formats); i++) if (sun4i_frontend_formats[i] == fmt) return true; diff --git a/drivers/gpu/drm/sun4i/sun4i_frontend.h b/drivers/gpu/drm/sun4i/sun4i_frontend.h index 800a193eebc2..ad146e8d8d70 100644 --- a/drivers/gpu/drm/sun4i/sun4i_frontend.h +++ b/drivers/gpu/drm/sun4i/sun4i_frontend.h @@ -97,6 +97,6 @@ void sun4i_frontend_update_coord(struct sun4i_frontend *frontend, struct drm_plane *plane); int sun4i_frontend_update_formats(struct sun4i_frontend *frontend, struct drm_plane *plane, uint32_t out_fmt); -bool sun4i_frontend_format_is_supported(uint32_t fmt); +bool sun4i_frontend_format_is_supported(uint32_t fmt, uint64_t modifier); #endif /* _SUN4I_FRONTEND_H_ */ -- cgit v1.2.3