diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1028-drm-amd-display-program-fbc-for-scatter-gather.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1028-drm-amd-display-program-fbc-for-scatter-gather.patch | 55 |
1 files changed, 0 insertions, 55 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1028-drm-amd-display-program-fbc-for-scatter-gather.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1028-drm-amd-display-program-fbc-for-scatter-gather.patch deleted file mode 100644 index 7bcc2d6d..00000000 --- a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1028-drm-amd-display-program-fbc-for-scatter-gather.patch +++ /dev/null @@ -1,55 +0,0 @@ -From 5a411198e5d73cc6c690179c860ce699ff591b39 Mon Sep 17 00:00:00 2001 -From: Roman Li <Roman.Li@amd.com> -Date: Fri, 25 Aug 2017 16:44:20 -0400 -Subject: [PATCH 1028/4131] drm/amd/display: program fbc for scatter/gather - -Fixing screen flickering when FBC enabled on Stoney - -Change-Id: I14bb589ecc537b02ac62c710c852f3886156d15c -Signed-off-by: Roman Li <Roman.Li@amd.com> -Reviewed-by: Harry Wentland <Harry.Wentland@amd.com> ---- - .../gpu/drm/amd/display/dc/dce110/dce110_compressor.c | 18 ++++++++++++++++-- - 1 file changed, 16 insertions(+), 2 deletions(-) - -diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_compressor.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_compressor.c -index 2e97e57..f82c269 100644 ---- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_compressor.c -+++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_compressor.c -@@ -189,7 +189,7 @@ void dce110_compressor_enable_fbc( - (!dce110_compressor_is_fbc_enabled_in_hw(compressor, NULL))) { - - uint32_t addr; -- uint32_t value; -+ uint32_t value, misc_value; - - - addr = mmFBC_CNTL; -@@ -206,9 +206,23 @@ void dce110_compressor_enable_fbc( - compressor->attached_inst = params->inst; - cp110->offsets = reg_offsets[params->inst]; - -- /*Toggle it as there is bug in HW */ -+ /* Toggle it as there is bug in HW */ - set_reg_field_value(value, 0, FBC_CNTL, FBC_GRPH_COMP_EN); - dm_write_reg(compressor->ctx, addr, value); -+ -+ /* FBC usage with scatter & gather for dce110 */ -+ misc_value = dm_read_reg(compressor->ctx, mmFBC_MISC); -+ -+ set_reg_field_value(misc_value, 1, -+ FBC_MISC, FBC_INVALIDATE_ON_ERROR); -+ set_reg_field_value(misc_value, 1, -+ FBC_MISC, FBC_DECOMPRESS_ERROR_CLEAR); -+ set_reg_field_value(misc_value, 0x14, -+ FBC_MISC, FBC_SLOW_REQ_INTERVAL); -+ -+ dm_write_reg(compressor->ctx, mmFBC_MISC, misc_value); -+ -+ /* Enable FBC */ - set_reg_field_value(value, 1, FBC_CNTL, FBC_GRPH_COMP_EN); - dm_write_reg(compressor->ctx, addr, value); - --- -2.7.4 - |