diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_hdmi.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_hdmi.c | 24 |
1 files changed, 19 insertions, 5 deletions
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c index a6dd00d99da..ab1e34b0920 100644 --- a/drivers/gpu/drm/i915/intel_hdmi.c +++ b/drivers/gpu/drm/i915/intel_hdmi.c @@ -29,12 +29,11 @@ #include <linux/i2c.h> #include <linux/slab.h> #include <linux/delay.h> -#include "drmP.h" -#include "drm.h" -#include "drm_crtc.h" -#include "drm_edid.h" +#include <drm/drmP.h> +#include <drm/drm_crtc.h> +#include <drm/drm_edid.h> #include "intel_drv.h" -#include "i915_drm.h" +#include <drm/i915_drm.h> #include "i915_drv.h" static void @@ -151,6 +150,9 @@ static void g4x_write_infoframe(struct drm_encoder *encoder, I915_WRITE(VIDEO_DIP_DATA, *data); data++; } + /* Write every possible data byte to force correct ECC calculation. */ + for (; i < VIDEO_DIP_DATA_SIZE; i += 4) + I915_WRITE(VIDEO_DIP_DATA, 0); mmiowb(); val |= g4x_infoframe_enable(frame); @@ -186,6 +188,9 @@ static void ibx_write_infoframe(struct drm_encoder *encoder, I915_WRITE(TVIDEO_DIP_DATA(intel_crtc->pipe), *data); data++; } + /* Write every possible data byte to force correct ECC calculation. */ + for (; i < VIDEO_DIP_DATA_SIZE; i += 4) + I915_WRITE(TVIDEO_DIP_DATA(intel_crtc->pipe), 0); mmiowb(); val |= g4x_infoframe_enable(frame); @@ -224,6 +229,9 @@ static void cpt_write_infoframe(struct drm_encoder *encoder, I915_WRITE(TVIDEO_DIP_DATA(intel_crtc->pipe), *data); data++; } + /* Write every possible data byte to force correct ECC calculation. */ + for (; i < VIDEO_DIP_DATA_SIZE; i += 4) + I915_WRITE(TVIDEO_DIP_DATA(intel_crtc->pipe), 0); mmiowb(); val |= g4x_infoframe_enable(frame); @@ -259,6 +267,9 @@ static void vlv_write_infoframe(struct drm_encoder *encoder, I915_WRITE(VLV_TVIDEO_DIP_DATA(intel_crtc->pipe), *data); data++; } + /* Write every possible data byte to force correct ECC calculation. */ + for (; i < VIDEO_DIP_DATA_SIZE; i += 4) + I915_WRITE(VLV_TVIDEO_DIP_DATA(intel_crtc->pipe), 0); mmiowb(); val |= g4x_infoframe_enable(frame); @@ -292,6 +303,9 @@ static void hsw_write_infoframe(struct drm_encoder *encoder, I915_WRITE(data_reg + i, *data); data++; } + /* Write every possible data byte to force correct ECC calculation. */ + for (; i < VIDEO_DIP_DATA_SIZE; i += 4) + I915_WRITE(data_reg + i, 0); mmiowb(); val |= hsw_infoframe_enable(frame); |