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authorJesse Barnes <jbarnes@virtuousgeek.org>2011-09-22 07:45:58 +0200
committerKeith Packard <keithp@keithp.com>2011-10-21 08:22:00 +0200
commita2006cf5a7ad3463e7c1e9da2c4bc90499427558 (patch)
tree550705814f2065de699ab048a5df2df202d2e7d9 /drivers/gpu
parentdrm/i915/dp: Remove eDP special cases from bandwidth checks (diff)
downloadlinux-a2006cf5a7ad3463e7c1e9da2c4bc90499427558.tar.xz
linux-a2006cf5a7ad3463e7c1e9da2c4bc90499427558.zip
drm/i915: read full receiver capability field during DP hot plug
Read link status first, followed by the full DPCD receiver cap field rather than just the first 8 bytes. Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Reviewed-by: Adam Jackson <ajax@redhat.com> Signed-off-by: Keith Packard <keithp@keithp.com>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/i915/intel_dp.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 813939420cb4..e0ff9085fd86 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -36,7 +36,7 @@
#include "i915_drv.h"
#include "drm_dp_helper.h"
-
+#define DP_RECEIVER_CAP_SIZE 0xf
#define DP_LINK_STATUS_SIZE 6
#define DP_LINK_CHECK_TIMEOUT (10 * 1000)
@@ -53,7 +53,7 @@ struct intel_dp {
int dpms_mode;
uint8_t link_bw;
uint8_t lane_count;
- uint8_t dpcd[8];
+ uint8_t dpcd[DP_RECEIVER_CAP_SIZE];
struct i2c_adapter adapter;
struct i2c_algo_dp_aux_data algo;
bool is_pch_edp;