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drm/amd/display: Use res_cap to acquire i2c instead of pipe count

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[Why]
We should be using the ddc_num from res_caps. As the
pipe count != number of i2c resources.

[How]
Use ddc_num from res_cap instead of pipe count.

Signed-off-by: Derek Lai <Derek.Lai@amd.com>
Reviewed-by: Charlene Liu <Charlene.Liu@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Derek Lai 2019-08-23 11:44:53 -05:00 committed by Alex Deucher
parent 470e2ca569
commit 9a00d0ff92
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/amd/display/dc/dce/dce_i2c_hw.c
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@ -25,6 +25,7 @@
#include <linux/delay.h>
#include "resource.h"
#include "dce_i2c.h"
#include "dce_i2c_hw.h"
#include "reg_helper.h"
@ -390,7 +391,7 @@ struct dce_i2c_hw *acquire_i2c_hw_engine(
if (ddc->hw_info.hw_supported) {
enum gpio_ddc_line line = dal_ddc_get_line(ddc);
if (line < pool->pipe_count)
if (line < pool->res_cap->num_ddc)
dce_i2c_hw = pool->hw_i2cs[line];
}