Commit 9a00d0ff authored Aug 23, 2019 by Derek Lai Committed by Alex Deucher Aug 23, 2019

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



[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>

parent 470e2ca5

drivers/gpu/drm/amd/display/dc/dce/dce_i2c_hw.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -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];
		}

Admin message