diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3594-drm-amd-display-Use-res_cap-to-acquire-i2c-instead-o.patch')
-rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3594-drm-amd-display-Use-res_cap-to-acquire-i2c-instead-o.patch | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3594-drm-amd-display-Use-res_cap-to-acquire-i2c-instead-o.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3594-drm-amd-display-Use-res_cap-to-acquire-i2c-instead-o.patch new file mode 100644 index 00000000..e2461550 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3594-drm-amd-display-Use-res_cap-to-acquire-i2c-instead-o.patch @@ -0,0 +1,44 @@ +From 9bab5696b2902728416cc43423188acb7c8b18ed Mon Sep 17 00:00:00 2001 +From: Derek Lai <Derek.Lai@amd.com> +Date: Fri, 2 Aug 2019 16:33:32 +0800 +Subject: [PATCH 3594/4256] 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> +--- + drivers/gpu/drm/amd/display/dc/dce/dce_i2c_hw.c | 3 ++- + 1 file changed, 2 insertions(+), 1 deletion(-) + +diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_i2c_hw.c b/drivers/gpu/drm/amd/display/dc/dce/dce_i2c_hw.c +index caace5229826..0495a1b5dd74 100644 +--- a/drivers/gpu/drm/amd/display/dc/dce/dce_i2c_hw.c ++++ b/drivers/gpu/drm/amd/display/dc/dce/dce_i2c_hw.c +@@ -22,6 +22,7 @@ + * Authors: AMD + * + */ ++#include "resource.h" + #include "dce_i2c.h" + #include "dce_i2c_hw.h" + #include "reg_helper.h" +@@ -387,7 +388,7 @@ 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]; + } + +-- +2.17.1 + |