summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--drivers/gpu/drm/imx/imx-drm-core.c19
-rw-r--r--drivers/gpu/drm/imx/imx-ldb.c5
-rw-r--r--drivers/gpu/drm/imx/ipuv3-crtc.c11
-rw-r--r--drivers/gpu/drm/imx/ipuv3-plane.c19
-rw-r--r--drivers/gpu/ipu-v3/ipu-dc.c5
-rw-r--r--drivers/gpu/ipu-v3/ipu-di.c7
6 files changed, 60 insertions, 6 deletions
diff --git a/drivers/gpu/drm/imx/imx-drm-core.c b/drivers/gpu/drm/imx/imx-drm-core.c
index be6001d8c984..3709d343784a 100644
--- a/drivers/gpu/drm/imx/imx-drm-core.c
+++ b/drivers/gpu/drm/imx/imx-drm-core.c
@@ -147,9 +147,26 @@ static const struct drm_ioctl_desc imx_drm_ioctls[] = {
/* none so far */
};
+static int imx_drm_dumb_create(struct drm_file *file_priv,
+ struct drm_device *drm,
+ struct drm_mode_create_dumb *args)
+{
+ u32 width = args->width;
+ int ret;
+
+ args->width = ALIGN(width, 8);
+
+ ret = drm_gem_cma_dumb_create(file_priv, drm, args);
+ if (ret)
+ return ret;
+
+ args->width = width;
+ return ret;
+}
+
static const struct drm_driver imx_drm_driver = {
.driver_features = DRIVER_MODESET | DRIVER_GEM | DRIVER_ATOMIC,
- DRM_GEM_CMA_DRIVER_OPS,
+ DRM_GEM_CMA_DRIVER_OPS_WITH_DUMB_CREATE(imx_drm_dumb_create),
.ioctls = imx_drm_ioctls,
.num_ioctls = ARRAY_SIZE(imx_drm_ioctls),
.fops = &imx_drm_driver_fops,
diff --git a/drivers/gpu/drm/imx/imx-ldb.c b/drivers/gpu/drm/imx/imx-ldb.c
index ffdc492c5bc5..53132ddf9587 100644
--- a/drivers/gpu/drm/imx/imx-ldb.c
+++ b/drivers/gpu/drm/imx/imx-ldb.c
@@ -274,6 +274,11 @@ imx_ldb_encoder_atomic_mode_set(struct drm_encoder *encoder,
"%s: mode exceeds 85 MHz pixel clock\n", __func__);
}
+ if (!IS_ALIGNED(mode->hdisplay, 8)) {
+ dev_warn(ldb->dev,
+ "%s: hdisplay does not align to 8 byte\n", __func__);
+ }
+
if (dual) {
serial_clk = 3500UL * mode->clock;
imx_ldb_set_clock(ldb, mux, 0, serial_clk, di_clk);
diff --git a/drivers/gpu/drm/imx/ipuv3-crtc.c b/drivers/gpu/drm/imx/ipuv3-crtc.c
index e6431a227feb..9c8829f945b2 100644
--- a/drivers/gpu/drm/imx/ipuv3-crtc.c
+++ b/drivers/gpu/drm/imx/ipuv3-crtc.c
@@ -305,10 +305,19 @@ static void ipu_crtc_mode_set_nofb(struct drm_crtc *crtc)
sig_cfg.vsync_pin = imx_crtc_state->di_vsync_pin;
drm_display_mode_to_videomode(mode, &sig_cfg.mode);
+ if (!IS_ALIGNED(sig_cfg.mode.hactive, 8)) {
+ unsigned int new_hactive = ALIGN(sig_cfg.mode.hactive, 8);
+
+ dev_warn(ipu_crtc->dev, "8-pixel align hactive %d -> %d\n",
+ sig_cfg.mode.hactive, new_hactive);
+
+ sig_cfg.mode.hfront_porch = new_hactive - sig_cfg.mode.hactive;
+ sig_cfg.mode.hactive = new_hactive;
+ }
ipu_dc_init_sync(ipu_crtc->dc, ipu_crtc->di,
mode->flags & DRM_MODE_FLAG_INTERLACE,
- imx_crtc_state->bus_format, mode->hdisplay);
+ imx_crtc_state->bus_format, sig_cfg.mode.hactive);
ipu_di_init_sync_panel(ipu_crtc->di, &sig_cfg);
}
diff --git a/drivers/gpu/drm/imx/ipuv3-plane.c b/drivers/gpu/drm/imx/ipuv3-plane.c
index fc8f4834ed7b..9a7150ac34a6 100644
--- a/drivers/gpu/drm/imx/ipuv3-plane.c
+++ b/drivers/gpu/drm/imx/ipuv3-plane.c
@@ -30,6 +30,11 @@ to_ipu_plane_state(struct drm_plane_state *p)
return container_of(p, struct ipu_plane_state, base);
}
+static unsigned int ipu_src_rect_width(const struct drm_plane_state *state)
+{
+ return ALIGN(drm_rect_width(&state->src) >> 16, 8);
+}
+
static inline struct ipu_plane *to_ipu_plane(struct drm_plane *p)
{
return container_of(p, struct ipu_plane, base);
@@ -440,6 +445,12 @@ static int ipu_plane_atomic_check(struct drm_plane *plane,
if (old_fb && fb->pitches[0] != old_fb->pitches[0])
crtc_state->mode_changed = true;
+ if (ALIGN(fb->width, 8) * fb->format->cpp[0] >
+ fb->pitches[0] + fb->offsets[0]) {
+ dev_warn(dev, "pitch is not big enough for 8 pixels alignment");
+ return -EINVAL;
+ }
+
switch (fb->format->format) {
case DRM_FORMAT_YUV420:
case DRM_FORMAT_YVU420:
@@ -615,7 +626,7 @@ static void ipu_plane_atomic_update(struct drm_plane *plane,
if (ipu_state->use_pre) {
axi_id = ipu_chan_assign_axi_id(ipu_plane->dma);
ipu_prg_channel_configure(ipu_plane->ipu_ch, axi_id,
- drm_rect_width(&new_state->src) >> 16,
+ ipu_src_rect_width(new_state),
drm_rect_height(&new_state->src) >> 16,
fb->pitches[0], fb->format->format,
fb->modifier, &eba);
@@ -648,9 +659,9 @@ static void ipu_plane_atomic_update(struct drm_plane *plane,
break;
}
- ipu_dmfc_config_wait4eot(ipu_plane->dmfc, drm_rect_width(dst));
+ ipu_dmfc_config_wait4eot(ipu_plane->dmfc, ALIGN(drm_rect_width(dst), 8));
- width = drm_rect_width(&new_state->src) >> 16;
+ width = ipu_src_rect_width(new_state);
height = drm_rect_height(&new_state->src) >> 16;
info = drm_format_info(fb->format->format);
ipu_calculate_bursts(width, info->cpp[0], fb->pitches[0],
@@ -715,7 +726,7 @@ static void ipu_plane_atomic_update(struct drm_plane *plane,
ipu_cpmem_zero(ipu_plane->alpha_ch);
ipu_cpmem_set_resolution(ipu_plane->alpha_ch,
- drm_rect_width(&new_state->src) >> 16,
+ ipu_src_rect_width(new_state),
drm_rect_height(&new_state->src) >> 16);
ipu_cpmem_set_format_passthrough(ipu_plane->alpha_ch, 8);
ipu_cpmem_set_high_priority(ipu_plane->alpha_ch);
diff --git a/drivers/gpu/ipu-v3/ipu-dc.c b/drivers/gpu/ipu-v3/ipu-dc.c
index 34b4075a6a8e..ca96b235491a 100644
--- a/drivers/gpu/ipu-v3/ipu-dc.c
+++ b/drivers/gpu/ipu-v3/ipu-dc.c
@@ -167,6 +167,11 @@ int ipu_dc_init_sync(struct ipu_dc *dc, struct ipu_di *di, bool interlaced,
dc->di = ipu_di_get_num(di);
+ if (!IS_ALIGNED(width, 8)) {
+ dev_warn(priv->dev,
+ "%s: hactive does not align to 8 byte\n", __func__);
+ }
+
map = ipu_bus_format_to_map(bus_format);
/*
diff --git a/drivers/gpu/ipu-v3/ipu-di.c b/drivers/gpu/ipu-v3/ipu-di.c
index e617f60afeea..666223c6bec4 100644
--- a/drivers/gpu/ipu-v3/ipu-di.c
+++ b/drivers/gpu/ipu-v3/ipu-di.c
@@ -506,6 +506,13 @@ int ipu_di_adjust_videomode(struct ipu_di *di, struct videomode *mode)
{
u32 diff;
+ if (!IS_ALIGNED(mode->hactive, 8) &&
+ mode->hfront_porch < ALIGN(mode->hactive, 8) - mode->hactive) {
+ dev_err(di->ipu->dev, "hactive %d is not aligned to 8 and front porch is too small to compensate\n",
+ mode->hactive);
+ return -EINVAL;
+ }
+
if (mode->vfront_porch >= 2)
return 0;