[ 56/95] drm/i915: fix ELD writing for SandyBridge

From: Greg KH
Date: Fri Mar 09 2012 - 14:48:39 EST


3.2-stable review patch. If anyone has any objections, please let me know.

------------------

From: Wu Fengguang <fengguang.wu@xxxxxxxxx>

commit b3f33cbf7ace8fc149993ee35e0d0fd57f41d6d8 upstream.

SandyBridge should be using the same register addresses as IvyBridge.

Signed-off-by: Wu Fengguang <fengguang.wu@xxxxxxxxx>
Signed-off-by: Keith Packard <keithp@xxxxxxxxxx>
Signed-off-by: Eugeni Dodonov <eugeni.dodonov@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
drivers/gpu/drm/i915/intel_display.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)

--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -5876,14 +5876,14 @@ static void ironlake_write_eld(struct dr
int aud_cntl_st;
int aud_cntrl_st2;

- if (IS_IVYBRIDGE(connector->dev)) {
- hdmiw_hdmiedid = GEN7_HDMIW_HDMIEDID_A;
- aud_cntl_st = GEN7_AUD_CNTRL_ST_A;
- aud_cntrl_st2 = GEN7_AUD_CNTRL_ST2;
- } else {
+ if (HAS_PCH_IBX(connector->dev)) {
hdmiw_hdmiedid = GEN5_HDMIW_HDMIEDID_A;
aud_cntl_st = GEN5_AUD_CNTL_ST_A;
aud_cntrl_st2 = GEN5_AUD_CNTL_ST2;
+ } else {
+ hdmiw_hdmiedid = GEN7_HDMIW_HDMIEDID_A;
+ aud_cntl_st = GEN7_AUD_CNTRL_ST_A;
+ aud_cntrl_st2 = GEN7_AUD_CNTRL_ST2;
}

i = to_intel_crtc(crtc)->pipe;


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