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drm/vc4: hdmi: Constify drm_display_mode

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We don't modify the drm_display_mode pointer we have in the driver in
most places, so let's make them const.

Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20220829134731.213478-2-maxime@cerno.tech
This commit is contained in:
Maxime Ripard 2022-08-29 15:47:24 +02:00
parent b78e5d830f
commit 58009c256b
No known key found for this signature in database
GPG Key ID: 8843CAE637A1B7CB
2 changed files with 9 additions and 9 deletions
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16
drivers/gpu/drm/vc4/vc4_hdmi.c
View File

@ -335,7 +335,7 @@ static int vc4_hdmi_connector_get_modes(struct drm_connector *connector)
if (vc4_hdmi->disable_4kp60) {
struct drm_device *drm = connector->dev;
struct drm_display_mode *mode;
const struct drm_display_mode *mode;
list_for_each_entry(mode, &connector->probed_modes, head) {
if (vc4_hdmi_mode_needs_scrambling(mode, 8, VC4_HDMI_OUTPUT_RGB)) {
@ -709,7 +709,7 @@ static void vc4_hdmi_set_infoframes(struct drm_encoder *encoder)
}
static bool vc4_hdmi_supports_scrambling(struct drm_encoder *encoder,
struct drm_display_mode *mode)
const struct drm_display_mode *mode)
{
struct vc4_hdmi *vc4_hdmi = encoder_to_vc4_hdmi(encoder);
struct drm_display_info *display = &vc4_hdmi->connector.display_info;
@ -732,7 +732,7 @@ static void vc4_hdmi_enable_scrambling(struct drm_encoder *encoder)
{
struct vc4_hdmi *vc4_hdmi = encoder_to_vc4_hdmi(encoder);
struct drm_device *drm = vc4_hdmi->connector.dev;
struct drm_display_mode *mode = &vc4_hdmi->saved_adjusted_mode;
const struct drm_display_mode *mode = &vc4_hdmi->saved_adjusted_mode;
unsigned long flags;
int idx;
@ -1077,7 +1077,7 @@ static void vc5_hdmi_csc_setup(struct vc4_hdmi *vc4_hdmi,
static void vc4_hdmi_set_timings(struct vc4_hdmi *vc4_hdmi,
struct drm_connector_state *state,
struct drm_display_mode *mode)
const struct drm_display_mode *mode)
{
struct drm_device *drm = vc4_hdmi->connector.dev;
bool hsync_pos = mode->flags & DRM_MODE_FLAG_PHSYNC;
@ -1141,7 +1141,7 @@ static void vc4_hdmi_set_timings(struct vc4_hdmi *vc4_hdmi,
static void vc5_hdmi_set_timings(struct vc4_hdmi *vc4_hdmi,
struct drm_connector_state *state,
struct drm_display_mode *mode)
const struct drm_display_mode *mode)
{
struct drm_device *drm = vc4_hdmi->connector.dev;
const struct vc4_hdmi_connector_state *vc4_state =
@ -1303,7 +1303,7 @@ static void vc4_hdmi_encoder_pre_crtc_configure(struct drm_encoder *encoder,
drm_atomic_get_new_connector_state(state, connector);
struct vc4_hdmi_connector_state *vc4_conn_state =
conn_state_to_vc4_hdmi_conn_state(conn_state);
struct drm_display_mode *mode = &vc4_hdmi->saved_adjusted_mode;
const struct drm_display_mode *mode = &vc4_hdmi->saved_adjusted_mode;
unsigned long tmds_char_rate = vc4_conn_state->tmds_char_rate;
unsigned long bvb_rate, hsm_rate;
unsigned long flags;
@ -1416,7 +1416,7 @@ static void vc4_hdmi_encoder_pre_crtc_enable(struct drm_encoder *encoder,
struct vc4_hdmi *vc4_hdmi = encoder_to_vc4_hdmi(encoder);
struct drm_device *drm = vc4_hdmi->connector.dev;
struct drm_connector *connector = &vc4_hdmi->connector;
struct drm_display_mode *mode = &vc4_hdmi->saved_adjusted_mode;
const struct drm_display_mode *mode = &vc4_hdmi->saved_adjusted_mode;
struct drm_connector_state *conn_state =
drm_atomic_get_new_connector_state(state, connector);
unsigned long flags;
@ -1445,7 +1445,7 @@ static void vc4_hdmi_encoder_post_crtc_enable(struct drm_encoder *encoder,
{
struct vc4_hdmi *vc4_hdmi = encoder_to_vc4_hdmi(encoder);
struct drm_device *drm = vc4_hdmi->connector.dev;
struct drm_display_mode *mode = &vc4_hdmi->saved_adjusted_mode;
const struct drm_display_mode *mode = &vc4_hdmi->saved_adjusted_mode;
struct drm_display_info *display = &vc4_hdmi->connector.display_info;
bool hsync_pos = mode->flags & DRM_MODE_FLAG_PHSYNC;
bool vsync_pos = mode->flags & DRM_MODE_FLAG_PVSYNC;

2
drivers/gpu/drm/vc4/vc4_hdmi.h
View File

@ -72,7 +72,7 @@ struct vc4_hdmi_variant {
/* Callback to configure the video timings in the HDMI block */
void (*set_timings)(struct vc4_hdmi *vc4_hdmi,
struct drm_connector_state *state,
struct drm_display_mode *mode);
const struct drm_display_mode *mode);
/* Callback to initialize the PHY according to the connector state */
void (*phy_init)(struct vc4_hdmi *vc4_hdmi,