diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0262-drm-amd-display-After-program-backend-also-program-f.patch')
-rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0262-drm-amd-display-After-program-backend-also-program-f.patch | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0262-drm-amd-display-After-program-backend-also-program-f.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0262-drm-amd-display-After-program-backend-also-program-f.patch new file mode 100644 index 00000000..2ca61a4a --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0262-drm-amd-display-After-program-backend-also-program-f.patch @@ -0,0 +1,63 @@ +From 891869cdac4d1891ae496cbb4ef81437e741ea8a Mon Sep 17 00:00:00 2001 +From: Yongqiang Sun <yongqiang.sun@amd.com> +Date: Fri, 3 Mar 2017 09:37:11 -0500 +Subject: [PATCH 0262/4131] drm/amd/display: After program backend, also + program front end regs. + +Issue: +In case of two 4K@60 + one non-4k monitor, when unplug non-4k monitor, +the remain two 4k monitor don't work properly. +Reason: +In that case, two 4k use two pipes and no split, when unplug happens, +those two monitor will use 4 pipes and split, but on that time, frontend +is not programed properly. +Solution: +After programed backend, front end should be programmed as per new pipe +setting. + +Signed-off-by: Yongqiang Sun <yongqiang.sun@amd.com> +Acked-by: Harry Wentland <Harry.Wentland@amd.com> +Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/display/dc/core/dc.c | 16 ++++------------ + 1 file changed, 4 insertions(+), 12 deletions(-) + +diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c +index f1ec273..a39b998 100644 +--- a/drivers/gpu/drm/amd/display/dc/core/dc.c ++++ b/drivers/gpu/drm/amd/display/dc/core/dc.c +@@ -806,7 +806,7 @@ bool dc_commit_streams( + enum dc_status result = DC_ERROR_UNEXPECTED; + struct validate_context *context; + struct dc_validation_set set[MAX_STREAMS] = { {0, {0} } }; +- int i, j, k; ++ int i, j; + + if (false == streams_changed(core_dc, streams, stream_count)) + return DC_OK; +@@ -862,18 +862,10 @@ bool dc_commit_streams( + const struct core_sink *sink = context->streams[i]->sink; + + for (j = 0; j < context->stream_status[i].surface_count; j++) { +- const struct dc_surface *dc_surface = +- context->stream_status[i].surfaces[j]; +- +- for (k = 0; k < context->res_ctx.pool->pipe_count; k++) { +- struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[k]; ++ struct core_surface *surface = ++ DC_SURFACE_TO_CORE(context->stream_status[i].surfaces[j]); + +- if (dc_surface != &pipe->surface->public +- || !dc_surface->visible) +- continue; +- +- pipe->tg->funcs->set_blank(pipe->tg, false); +- } ++ core_dc->hwss.apply_ctx_for_surface(core_dc, surface, context); + } + + CONN_MSG_MODE(sink->link, "{%dx%d, %dx%d@%dKhz}", +-- +2.7.4 + |