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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>
This commit is contained in:
Jesse Barnes 2011-09-22 11:15:58 +05:30 committed by Keith Packard
parent dc22ee6fc1
commit a2006cf5a7
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/i915/intel_dp.c
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@ -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;