diff options
| author | Jayesh Choudhary <j-choudhary@ti.com> | 2024-06-13 11:38:05 +0300 |
|---|---|---|
| committer | Maxime Ripard <mripard@kernel.org> | 2024-06-13 18:36:44 +0300 |
| commit | 9324410846e13595d453b7f34508b1f6b15fb1a7 (patch) | |
| tree | f93e0db87c7b45b7fc4e6adf999d2a017f9c03ec | |
| parent | 96fddae126327a87bf67edfa8a1c94ce21c18dfe (diff) | |
| download | linux-9324410846e13595d453b7f34508b1f6b15fb1a7.tar.xz | |
drm/bridge: sii902x: Add pixel clock check in atomic_check
Check the pixel clock for the mode in atomic_check and ensure that
it is within the range supported by the bridge.
Signed-off-by: Jayesh Choudhary <j-choudhary@ti.com>
Reviewed-by: Aradhya Bhatia <a-bhatia1@ti.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240613083805.439337-4-j-choudhary@ti.com
Signed-off-by: Maxime Ripard <mripard@kernel.org>
| -rw-r--r-- | drivers/gpu/drm/bridge/sii902x.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/bridge/sii902x.c b/drivers/gpu/drm/bridge/sii902x.c index 00a8c469f553..7f91b0db161e 100644 --- a/drivers/gpu/drm/bridge/sii902x.c +++ b/drivers/gpu/drm/bridge/sii902x.c @@ -496,6 +496,10 @@ static int sii902x_bridge_atomic_check(struct drm_bridge *bridge, struct drm_crtc_state *crtc_state, struct drm_connector_state *conn_state) { + if (crtc_state->mode.clock < SII902X_MIN_PIXEL_CLOCK_KHZ || + crtc_state->mode.clock > SII902X_MAX_PIXEL_CLOCK_KHZ) + return -EINVAL; + /* * There might be flags negotiation supported in future but * set the bus flags in atomic_check statically for now. |