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-rw-r--r--drivers/gpu/drm/drm_mipi_dbi.c16
-rw-r--r--drivers/gpu/drm/tiny/ili9225.c12
-rw-r--r--drivers/gpu/drm/tiny/st7586.c11
3 files changed, 12 insertions, 27 deletions
diff --git a/drivers/gpu/drm/drm_mipi_dbi.c b/drivers/gpu/drm/drm_mipi_dbi.c
index fd8d672972a9..79532b9a324a 100644
--- a/drivers/gpu/drm/drm_mipi_dbi.c
+++ b/drivers/gpu/drm/drm_mipi_dbi.c
@@ -268,7 +268,7 @@ static void mipi_dbi_fb_dirty(struct drm_framebuffer *fb, struct drm_rect *rect)
bool full;
void *tr;
- if (!dbidev->enabled)
+ if (WARN_ON(!fb))
return;
if (!drm_dev_enter(fb->dev, &idx))
@@ -314,6 +314,9 @@ void mipi_dbi_pipe_update(struct drm_simple_display_pipe *pipe,
struct drm_plane_state *state = pipe->plane.state;
struct drm_rect rect;
+ if (!pipe->crtc.state->active)
+ return;
+
if (drm_atomic_helper_damage_merged(old_state, state, &rect))
mipi_dbi_fb_dirty(state->fb, &rect);
}
@@ -325,9 +328,8 @@ EXPORT_SYMBOL(mipi_dbi_pipe_update);
* @crtc_state: CRTC state
* @plane_state: Plane state
*
- * This function sets &mipi_dbi->enabled, flushes the whole framebuffer and
- * enables the backlight. Drivers can use this in their
- * &drm_simple_display_pipe_funcs->enable callback.
+ * Flushes the whole framebuffer and enables the backlight. Drivers can use this
+ * in their &drm_simple_display_pipe_funcs->enable callback.
*
* Note: Drivers which don't use mipi_dbi_pipe_update() because they have custom
* framebuffer flushing, can't use this function since they both use the same
@@ -349,7 +351,6 @@ void mipi_dbi_enable_flush(struct mipi_dbi_dev *dbidev,
if (!drm_dev_enter(&dbidev->drm, &idx))
return;
- dbidev->enabled = true;
mipi_dbi_fb_dirty(fb, &rect);
backlight_enable(dbidev->backlight);
@@ -390,13 +391,8 @@ void mipi_dbi_pipe_disable(struct drm_simple_display_pipe *pipe)
{
struct mipi_dbi_dev *dbidev = drm_to_mipi_dbi_dev(pipe->crtc.dev);
- if (!dbidev->enabled)
- return;
-
DRM_DEBUG_KMS("\n");
- dbidev->enabled = false;
-
if (dbidev->backlight)
backlight_disable(dbidev->backlight);
else
diff --git a/drivers/gpu/drm/tiny/ili9225.c b/drivers/gpu/drm/tiny/ili9225.c
index 16400064320f..97a77262d791 100644
--- a/drivers/gpu/drm/tiny/ili9225.c
+++ b/drivers/gpu/drm/tiny/ili9225.c
@@ -89,9 +89,6 @@ static void ili9225_fb_dirty(struct drm_framebuffer *fb, struct drm_rect *rect)
bool full;
void *tr;
- if (!dbidev->enabled)
- return;
-
if (!drm_dev_enter(fb->dev, &idx))
return;
@@ -167,6 +164,9 @@ static void ili9225_pipe_update(struct drm_simple_display_pipe *pipe,
struct drm_plane_state *state = pipe->plane.state;
struct drm_rect rect;
+ if (!pipe->crtc.state->active)
+ return;
+
if (drm_atomic_helper_damage_merged(old_state, state, &rect))
ili9225_fb_dirty(state->fb, &rect);
}
@@ -275,7 +275,6 @@ static void ili9225_pipe_enable(struct drm_simple_display_pipe *pipe,
ili9225_command(dbi, ILI9225_DISPLAY_CONTROL_1, 0x1017);
- dbidev->enabled = true;
ili9225_fb_dirty(fb, &rect);
out_exit:
drm_dev_exit(idx);
@@ -295,16 +294,11 @@ static void ili9225_pipe_disable(struct drm_simple_display_pipe *pipe)
* unplug.
*/
- if (!dbidev->enabled)
- return;
-
ili9225_command(dbi, ILI9225_DISPLAY_CONTROL_1, 0x0000);
msleep(50);
ili9225_command(dbi, ILI9225_POWER_CONTROL_2, 0x0007);
msleep(50);
ili9225_command(dbi, ILI9225_POWER_CONTROL_1, 0x0a02);
-
- dbidev->enabled = false;
}
static int ili9225_dbi_command(struct mipi_dbi *dbi, u8 *cmd, u8 *par,
diff --git a/drivers/gpu/drm/tiny/st7586.c b/drivers/gpu/drm/tiny/st7586.c
index 1311e5df8721..d05de03891f8 100644
--- a/drivers/gpu/drm/tiny/st7586.c
+++ b/drivers/gpu/drm/tiny/st7586.c
@@ -118,9 +118,6 @@ static void st7586_fb_dirty(struct drm_framebuffer *fb, struct drm_rect *rect)
struct mipi_dbi *dbi = &dbidev->dbi;
int start, end, idx, ret = 0;
- if (!dbidev->enabled)
- return;
-
if (!drm_dev_enter(fb->dev, &idx))
return;
@@ -161,6 +158,9 @@ static void st7586_pipe_update(struct drm_simple_display_pipe *pipe,
struct drm_plane_state *state = pipe->plane.state;
struct drm_rect rect;
+ if (!pipe->crtc.state->active)
+ return;
+
if (drm_atomic_helper_damage_merged(old_state, state, &rect))
st7586_fb_dirty(state->fb, &rect);
}
@@ -237,7 +237,6 @@ static void st7586_pipe_enable(struct drm_simple_display_pipe *pipe,
msleep(100);
- dbidev->enabled = true;
st7586_fb_dirty(fb, &rect);
mipi_dbi_command(dbi, MIPI_DCS_SET_DISPLAY_ON);
@@ -258,11 +257,7 @@ static void st7586_pipe_disable(struct drm_simple_display_pipe *pipe)
DRM_DEBUG_KMS("\n");
- if (!dbidev->enabled)
- return;
-
mipi_dbi_command(&dbidev->dbi, MIPI_DCS_SET_DISPLAY_OFF);
- dbidev->enabled = false;
}
static const u32 st7586_formats[] = {