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path: root/drivers/gpu/drm/imx
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Diffstat (limited to 'drivers/gpu/drm/imx')
-rw-r--r--drivers/gpu/drm/imx/imx-drm-core.c34
-rw-r--r--drivers/gpu/drm/imx/imx-drm.h1
-rw-r--r--drivers/gpu/drm/imx/ipuv3-plane.c110
3 files changed, 105 insertions, 40 deletions
diff --git a/drivers/gpu/drm/imx/imx-drm-core.c b/drivers/gpu/drm/imx/imx-drm-core.c
index 17d2f3a1c562..1d053bbefc02 100644
--- a/drivers/gpu/drm/imx/imx-drm-core.c
+++ b/drivers/gpu/drm/imx/imx-drm-core.c
@@ -38,7 +38,6 @@
struct imx_drm_device {
struct drm_device *drm;
unsigned int pipes;
- struct drm_fbdev_cma *fbhelper;
struct drm_atomic_state *state;
};
@@ -47,13 +46,6 @@ static int legacyfb_depth = 16;
module_param(legacyfb_depth, int, 0444);
#endif
-static void imx_drm_driver_lastclose(struct drm_device *drm)
-{
- struct imx_drm_device *imxdrm = drm->dev_private;
-
- drm_fbdev_cma_restore_mode(imxdrm->fbhelper);
-}
-
DEFINE_DRM_GEM_CMA_FOPS(imx_drm_driver_fops);
void imx_drm_connector_destroy(struct drm_connector *connector)
@@ -69,13 +61,6 @@ void imx_drm_encoder_destroy(struct drm_encoder *encoder)
}
EXPORT_SYMBOL_GPL(imx_drm_encoder_destroy);
-static void imx_drm_output_poll_changed(struct drm_device *drm)
-{
- struct imx_drm_device *imxdrm = drm->dev_private;
-
- drm_fbdev_cma_hotplug_event(imxdrm->fbhelper);
-}
-
static int imx_drm_atomic_check(struct drm_device *dev,
struct drm_atomic_state *state)
{
@@ -107,7 +92,7 @@ static int imx_drm_atomic_check(struct drm_device *dev,
static const struct drm_mode_config_funcs imx_drm_mode_config_funcs = {
.fb_create = drm_gem_fb_create,
- .output_poll_changed = imx_drm_output_poll_changed,
+ .output_poll_changed = drm_fb_helper_output_poll_changed,
.atomic_check = imx_drm_atomic_check,
.atomic_commit = drm_atomic_helper_commit,
};
@@ -186,7 +171,7 @@ static const struct drm_ioctl_desc imx_drm_ioctls[] = {
static struct drm_driver imx_drm_driver = {
.driver_features = DRIVER_MODESET | DRIVER_GEM | DRIVER_PRIME |
DRIVER_ATOMIC,
- .lastclose = imx_drm_driver_lastclose,
+ .lastclose = drm_fb_helper_lastclose,
.gem_free_object_unlocked = drm_gem_cma_free_object,
.gem_vm_ops = &drm_gem_cma_vm_ops,
.dumb_create = drm_gem_cma_dumb_create,
@@ -272,6 +257,7 @@ static int imx_drm_bind(struct device *dev)
drm->mode_config.max_height = 4096;
drm->mode_config.funcs = &imx_drm_mode_config_funcs;
drm->mode_config.helper_private = &imx_drm_mode_config_helpers;
+ drm->mode_config.allow_fb_modifiers = true;
drm_mode_config_init(drm);
@@ -298,12 +284,9 @@ static int imx_drm_bind(struct device *dev)
dev_warn(dev, "Invalid legacyfb_depth. Defaulting to 16bpp\n");
legacyfb_depth = 16;
}
- imxdrm->fbhelper = drm_fbdev_cma_init(drm, legacyfb_depth, MAX_CRTC);
- if (IS_ERR(imxdrm->fbhelper)) {
- ret = PTR_ERR(imxdrm->fbhelper);
- imxdrm->fbhelper = NULL;
+ ret = drm_fb_cma_fbdev_init(drm, legacyfb_depth, MAX_CRTC);
+ if (ret)
goto err_unbind;
- }
#endif
drm_kms_helper_poll_init(drm);
@@ -317,8 +300,7 @@ static int imx_drm_bind(struct device *dev)
err_fbhelper:
drm_kms_helper_poll_fini(drm);
#if IS_ENABLED(CONFIG_DRM_FBDEV_EMULATION)
- if (imxdrm->fbhelper)
- drm_fbdev_cma_fini(imxdrm->fbhelper);
+ drm_fb_cma_fbdev_fini(drm);
err_unbind:
#endif
component_unbind_all(drm->dev, drm);
@@ -333,14 +315,12 @@ err_unref:
static void imx_drm_unbind(struct device *dev)
{
struct drm_device *drm = dev_get_drvdata(dev);
- struct imx_drm_device *imxdrm = drm->dev_private;
drm_dev_unregister(drm);
drm_kms_helper_poll_fini(drm);
- if (imxdrm->fbhelper)
- drm_fbdev_cma_fini(imxdrm->fbhelper);
+ drm_fb_cma_fbdev_fini(drm);
drm_mode_config_cleanup(drm);
diff --git a/drivers/gpu/drm/imx/imx-drm.h b/drivers/gpu/drm/imx/imx-drm.h
index f0b7556c0857..15c2bec47a04 100644
--- a/drivers/gpu/drm/imx/imx-drm.h
+++ b/drivers/gpu/drm/imx/imx-drm.h
@@ -8,7 +8,6 @@ struct drm_connector;
struct drm_device;
struct drm_display_mode;
struct drm_encoder;
-struct drm_fbdev_cma;
struct drm_framebuffer;
struct drm_plane;
struct imx_drm_crtc;
diff --git a/drivers/gpu/drm/imx/ipuv3-plane.c b/drivers/gpu/drm/imx/ipuv3-plane.c
index 247c60e6bed2..57ed56d8623f 100644
--- a/drivers/gpu/drm/imx/ipuv3-plane.c
+++ b/drivers/gpu/drm/imx/ipuv3-plane.c
@@ -77,6 +77,18 @@ static const uint32_t ipu_plane_formats[] = {
DRM_FORMAT_BGRX8888_A8,
};
+static const uint64_t ipu_format_modifiers[] = {
+ DRM_FORMAT_MOD_LINEAR,
+ DRM_FORMAT_MOD_INVALID
+};
+
+static const uint64_t pre_format_modifiers[] = {
+ DRM_FORMAT_MOD_LINEAR,
+ DRM_FORMAT_MOD_VIVANTE_TILED,
+ DRM_FORMAT_MOD_VIVANTE_SUPER_TILED,
+ DRM_FORMAT_MOD_INVALID
+};
+
int ipu_plane_irq(struct ipu_plane *ipu_plane)
{
return ipu_idmac_channel_irq(ipu_plane->ipu, ipu_plane->ipu_ch,
@@ -303,6 +315,22 @@ void ipu_plane_destroy_state(struct drm_plane *plane,
kfree(ipu_state);
}
+static bool ipu_plane_format_mod_supported(struct drm_plane *plane,
+ uint32_t format, uint64_t modifier)
+{
+ struct ipu_soc *ipu = to_ipu_plane(plane)->ipu;
+
+ /* linear is supported for all planes and formats */
+ if (modifier == DRM_FORMAT_MOD_LINEAR)
+ return true;
+
+ /* without a PRG there are no supported modifiers */
+ if (!ipu_prg_present(ipu))
+ return false;
+
+ return ipu_prg_format_supported(ipu, format, modifier);
+}
+
static const struct drm_plane_funcs ipu_plane_funcs = {
.update_plane = drm_atomic_helper_update_plane,
.disable_plane = drm_atomic_helper_disable_plane,
@@ -310,6 +338,7 @@ static const struct drm_plane_funcs ipu_plane_funcs = {
.reset = ipu_plane_state_reset,
.atomic_duplicate_state = ipu_plane_duplicate_state,
.atomic_destroy_state = ipu_plane_destroy_state,
+ .format_mod_supported = ipu_plane_format_mod_supported,
};
static int ipu_plane_atomic_check(struct drm_plane *plane,
@@ -342,10 +371,10 @@ static int ipu_plane_atomic_check(struct drm_plane *plane,
clip.y1 = 0;
clip.x2 = crtc_state->adjusted_mode.hdisplay;
clip.y2 = crtc_state->adjusted_mode.vdisplay;
- ret = drm_plane_helper_check_state(state, &clip,
- DRM_PLANE_HELPER_NO_SCALING,
- DRM_PLANE_HELPER_NO_SCALING,
- can_position, true);
+ ret = drm_atomic_helper_check_plane_state(state, crtc_state, &clip,
+ DRM_PLANE_HELPER_NO_SCALING,
+ DRM_PLANE_HELPER_NO_SCALING,
+ can_position, true);
if (ret)
return ret;
@@ -550,8 +579,8 @@ static void ipu_plane_atomic_update(struct drm_plane *plane,
ipu_prg_channel_configure(ipu_plane->ipu_ch, axi_id,
drm_rect_width(&state->src) >> 16,
drm_rect_height(&state->src) >> 16,
- fb->pitches[0],
- fb->format->format, &eba);
+ fb->pitches[0], fb->format->format,
+ fb->modifier, &eba);
}
if (old_state->fb && !drm_atomic_crtc_needs_modeset(crtc_state)) {
@@ -700,18 +729,71 @@ static const struct drm_plane_helper_funcs ipu_plane_helper_funcs = {
int ipu_planes_assign_pre(struct drm_device *dev,
struct drm_atomic_state *state)
{
+ struct drm_crtc_state *old_crtc_state, *crtc_state;
struct drm_plane_state *plane_state;
+ struct ipu_plane_state *ipu_state;
+ struct ipu_plane *ipu_plane;
struct drm_plane *plane;
+ struct drm_crtc *crtc;
int available_pres = ipu_prg_max_active_channels();
- int i;
+ int ret, i;
+ for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, crtc_state, i) {
+ ret = drm_atomic_add_affected_planes(state, crtc);
+ if (ret)
+ return ret;
+ }
+
+ /*
+ * We are going over the planes in 2 passes: first we assign PREs to
+ * planes with a tiling modifier, which need the PREs to resolve into
+ * linear. Any failure to assign a PRE there is fatal. In the second
+ * pass we try to assign PREs to linear FBs, to improve memory access
+ * patterns for them. Failure at this point is non-fatal, as we can
+ * scan out linear FBs without a PRE.
+ */
for_each_new_plane_in_state(state, plane, plane_state, i) {
- struct ipu_plane_state *ipu_state =
- to_ipu_plane_state(plane_state);
- struct ipu_plane *ipu_plane = to_ipu_plane(plane);
+ ipu_state = to_ipu_plane_state(plane_state);
+ ipu_plane = to_ipu_plane(plane);
+
+ if (!plane_state->fb) {
+ ipu_state->use_pre = false;
+ continue;
+ }
+
+ if (!(plane_state->fb->flags & DRM_MODE_FB_MODIFIERS) ||
+ plane_state->fb->modifier == DRM_FORMAT_MOD_LINEAR)
+ continue;
+
+ if (!ipu_prg_present(ipu_plane->ipu) || !available_pres)
+ return -EINVAL;
+
+ if (!ipu_prg_format_supported(ipu_plane->ipu,
+ plane_state->fb->format->format,
+ plane_state->fb->modifier))
+ return -EINVAL;
+
+ ipu_state->use_pre = true;
+ available_pres--;
+ }
+
+ for_each_new_plane_in_state(state, plane, plane_state, i) {
+ ipu_state = to_ipu_plane_state(plane_state);
+ ipu_plane = to_ipu_plane(plane);
+
+ if (!plane_state->fb) {
+ ipu_state->use_pre = false;
+ continue;
+ }
+
+ if ((plane_state->fb->flags & DRM_MODE_FB_MODIFIERS) &&
+ plane_state->fb->modifier != DRM_FORMAT_MOD_LINEAR)
+ continue;
+
+ /* make sure that modifier is initialized */
+ plane_state->fb->modifier = DRM_FORMAT_MOD_LINEAR;
if (ipu_prg_present(ipu_plane->ipu) && available_pres &&
- plane_state->fb &&
ipu_prg_format_supported(ipu_plane->ipu,
plane_state->fb->format->format,
plane_state->fb->modifier)) {
@@ -731,6 +813,7 @@ struct ipu_plane *ipu_plane_init(struct drm_device *dev, struct ipu_soc *ipu,
enum drm_plane_type type)
{
struct ipu_plane *ipu_plane;
+ const uint64_t *modifiers = ipu_format_modifiers;
int ret;
DRM_DEBUG_KMS("channel %d, dp flow %d, possible_crtcs=0x%x\n",
@@ -746,10 +829,13 @@ struct ipu_plane *ipu_plane_init(struct drm_device *dev, struct ipu_soc *ipu,
ipu_plane->dma = dma;
ipu_plane->dp_flow = dp;
+ if (ipu_prg_present(ipu))
+ modifiers = pre_format_modifiers;
+
ret = drm_universal_plane_init(dev, &ipu_plane->base, possible_crtcs,
&ipu_plane_funcs, ipu_plane_formats,
ARRAY_SIZE(ipu_plane_formats),
- NULL, type, NULL);
+ modifiers, type, NULL);
if (ret) {
DRM_ERROR("failed to initialize plane\n");
kfree(ipu_plane);