The hooks aren't supposed to modify the ELD, so use const pointer. As a
drive-by fix, use drm_eld_size() to log ELD size.
Suggested-by: Ville Syrjala <ville.syrjala@xxxxxxxxxxxxxxx>
Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
---
drivers/gpu/drm/i915/intel_audio.c | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_audio.c b/drivers/gpu/drm/i915/intel_audio.c
index a34aa66f28f8..bb94172ffc07 100644
--- a/drivers/gpu/drm/i915/intel_audio.c
+++ b/drivers/gpu/drm/i915/intel_audio.c
@@ -213,7 +213,7 @@ static bool intel_eld_uptodate(struct drm_connector *connector,
i915_reg_t reg_edid)
{
struct drm_i915_private *dev_priv = to_i915(connector->dev);
- u8 *eld = connector->eld;
+ const u8 *eld = connector->eld;
u32 tmp;
int i;
@@ -228,7 +228,7 @@ static bool intel_eld_uptodate(struct drm_connector *connector,
I915_WRITE(reg_elda, tmp);
for (i = 0; i < drm_eld_size(eld) / 4; i++)
- if (I915_READ(reg_edid) != *((u32 *)eld + i))
+ if (I915_READ(reg_edid) != *((const u32 *)eld + i))
return false;
return true;
@@ -261,12 +261,12 @@ static void g4x_audio_codec_enable(struct intel_encoder *encoder,
{
struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
struct drm_connector *connector = conn_state->connector;
- u8 *eld = connector->eld;
+ const u8 *eld = connector->eld;
u32 eldv;
u32 tmp;
int len, i;
- DRM_DEBUG_KMS("Enable audio codec, %u bytes ELD\n", eld[2]);
+ DRM_DEBUG_KMS("Enable audio codec, %u bytes ELD\n", drm_eld_size(eld));
tmp = I915_READ(G4X_AUD_VID_DID);
if (tmp == INTEL_AUDIO_DEVBLC || tmp == INTEL_AUDIO_DEVCL)
@@ -288,7 +288,7 @@ static void g4x_audio_codec_enable(struct intel_encoder *encoder,
len = min(drm_eld_size(eld) / 4, len);
DRM_DEBUG_DRIVER("ELD size %d\n", len);
for (i = 0; i < len; i++)
- I915_WRITE(G4X_HDMIW_HDMIEDID, *((u32 *)eld + i));
+ I915_WRITE(G4X_HDMIW_HDMIEDID, *((const u32 *)eld + i));
tmp = I915_READ(G4X_AUD_CNTL_ST);
tmp |= eldv;
@@ -466,7 +466,7 @@ static void hsw_audio_codec_enable(struct intel_encoder *encoder,
/* Up to 84 bytes of hw ELD buffer */
len = min(drm_eld_size(eld), 84);
for (i = 0; i < len / 4; i++)
- I915_WRITE(HSW_AUD_EDID_DATA(pipe), *((u32 *)eld + i));
+ I915_WRITE(HSW_AUD_EDID_DATA(pipe), *((const u32 *)eld + i));
/* ELD valid */
tmp = I915_READ(HSW_AUD_PIN_ELD_CP_VLD);
@@ -534,7 +534,7 @@ static void ilk_audio_codec_enable(struct intel_encoder *encoder,
struct drm_connector *connector = conn_state->connector;
enum pipe pipe = crtc->pipe;
enum port port = encoder->port;
- u8 *eld = connector->eld;
+ const u8 *eld = connector->eld;
u32 tmp, eldv;
int len, i;
i915_reg_t hdmiw_hdmiedid, aud_config, aud_cntl_st, aud_cntrl_st2;
@@ -585,7 +585,7 @@ static void ilk_audio_codec_enable(struct intel_encoder *encoder,
/* Up to 84 bytes of hw ELD buffer */
len = min(drm_eld_size(eld), 84);
for (i = 0; i < len / 4; i++)
- I915_WRITE(hdmiw_hdmiedid, *((u32 *)eld + i));
+ I915_WRITE(hdmiw_hdmiedid, *((const u32 *)eld + i));
/* ELD valid */
tmp = I915_READ(aud_cntrl_st2);
--
2.11.0
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