From: Julian Parkin <[email protected]>

Block FP16 scaling in validate_resources codepath.

Signed-off-by: Julian Parkin <[email protected]>
Reviewed-by: Tony Cheng <[email protected]>
Acked-by: Harry Wentland <[email protected]>
---
 drivers/gpu/drm/amd/display/dc/core/dc_resource.c  | 32 --------------
 drivers/gpu/drm/amd/display/dc/dc_stream.h         |  8 ----
 .../drm/amd/display/dc/dce100/dce100_resource.c    | 33 ---------------
 .../drm/amd/display/dc/dce110/dce110_resource.c    | 33 ---------------
 .../drm/amd/display/dc/dce112/dce112_resource.c    | 33 ---------------
 .../drm/amd/display/dc/dce112/dce112_resource.h    |  5 ---
 .../drm/amd/display/dc/dce120/dce120_resource.c    |  1 -
 .../gpu/drm/amd/display/dc/dce80/dce80_resource.c  | 49 ----------------------
 drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c   |  7 ++++
 .../gpu/drm/amd/display/dc/dcn10/dcn10_resource.c  | 31 --------------
 drivers/gpu/drm/amd/display/dc/inc/core_types.h    |  5 ---
 drivers/gpu/drm/amd/display/dc/inc/resource.h      |  4 --
 12 files changed, 7 insertions(+), 234 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c 
b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
index ba3487e97361..cae78ee9a6fc 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
@@ -1599,18 +1599,6 @@ enum dc_status dc_remove_stream_from_ctx(
        return DC_OK;
 }
 
-static void copy_pipe_ctx(
-       const struct pipe_ctx *from_pipe_ctx, struct pipe_ctx *to_pipe_ctx)
-{
-       struct dc_plane_state *plane_state = to_pipe_ctx->plane_state;
-       struct dc_stream_state *stream = to_pipe_ctx->stream;
-
-       *to_pipe_ctx = *from_pipe_ctx;
-       to_pipe_ctx->stream = stream;
-       if (plane_state != NULL)
-               to_pipe_ctx->plane_state = plane_state;
-}
-
 static struct dc_stream_state *find_pll_sharable_stream(
                struct dc_stream_state *stream_needs_pll,
                struct dc_state *context)
@@ -1752,26 +1740,6 @@ enum dc_status resource_map_pool_resources(
        return DC_ERROR_UNEXPECTED;
 }
 
-/* first stream in the context is used to populate the rest */
-void validate_guaranteed_copy_streams(
-               struct dc_state *context,
-               int max_streams)
-{
-       int i;
-
-       for (i = 1; i < max_streams; i++) {
-               context->streams[i] = context->streams[0];
-
-               copy_pipe_ctx(&context->res_ctx.pipe_ctx[0],
-                             &context->res_ctx.pipe_ctx[i]);
-               context->res_ctx.pipe_ctx[i].stream =
-                               context->res_ctx.pipe_ctx[0].stream;
-
-               dc_stream_retain(context->streams[i]);
-               context->stream_count++;
-       }
-}
-
 void dc_resource_state_copy_construct_current(
                const struct dc *dc,
                struct dc_state *dst_ctx)
diff --git a/drivers/gpu/drm/amd/display/dc/dc_stream.h 
b/drivers/gpu/drm/amd/display/dc/dc_stream.h
index d017df56b2ba..3a7093ede569 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_stream.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_stream.h
@@ -208,14 +208,6 @@ bool dc_add_all_planes_for_stream(
 
 enum dc_status dc_validate_stream(struct dc *dc, struct dc_stream_state 
*stream);
 
-/*
- * This function takes a stream and checks if it is guaranteed to be supported.
- * Guaranteed means that MAX_COFUNC similar streams are supported.
- *
- * After this call:
- *   No hardware is programmed for call.  Only validation is done.
- */
-
 /*
  * Set up streams and links associated to drive sinks
  * The streams parameter is an absolute set of all active streams.
diff --git a/drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c 
b/drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c
index 3092f76bdb75..38ec0d609297 100644
--- a/drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c
@@ -733,38 +733,6 @@ enum dc_status dce100_add_stream_to_ctx(
        return result;
 }
 
-enum dc_status dce100_validate_guaranteed(
-               struct dc  *dc,
-               struct dc_stream_state *dc_stream,
-               struct dc_state *context)
-{
-       enum dc_status result = DC_ERROR_UNEXPECTED;
-
-       context->streams[0] = dc_stream;
-       dc_stream_retain(context->streams[0]);
-       context->stream_count++;
-
-       result = resource_map_pool_resources(dc, context, dc_stream);
-
-       if (result == DC_OK)
-               result = resource_map_clock_resources(dc, context, dc_stream);
-
-       if (result == DC_OK)
-               result = build_mapped_resource(dc, context, dc_stream);
-
-       if (result == DC_OK) {
-               validate_guaranteed_copy_streams(
-                               context, dc->caps.max_streams);
-               result = resource_build_scaling_params_for_context(dc, context);
-       }
-
-       if (result == DC_OK)
-               if (!dce100_validate_bandwidth(dc, context))
-                       result = DC_FAIL_BANDWIDTH_VALIDATE;
-
-       return result;
-}
-
 static void dce100_destroy_resource_pool(struct resource_pool **pool)
 {
        struct dce110_resource_pool *dce110_pool = TO_DCE110_RES_POOL(*pool);
@@ -786,7 +754,6 @@ enum dc_status dce100_validate_plane(const struct 
dc_plane_state *plane_state, s
 static const struct resource_funcs dce100_res_pool_funcs = {
        .destroy = dce100_destroy_resource_pool,
        .link_enc_create = dce100_link_encoder_create,
-       .validate_guaranteed = dce100_validate_guaranteed,
        .validate_bandwidth = dce100_validate_bandwidth,
        .validate_plane = dce100_validate_plane,
        .add_stream_to_ctx = dce100_add_stream_to_ctx,
diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c 
b/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c
index b1f14be20fdf..ee33786bdef6 100644
--- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c
@@ -930,38 +930,6 @@ static enum dc_status dce110_add_stream_to_ctx(
        return result;
 }
 
-static enum dc_status dce110_validate_guaranteed(
-               struct dc *dc,
-               struct dc_stream_state *dc_stream,
-               struct dc_state *context)
-{
-       enum dc_status result = DC_ERROR_UNEXPECTED;
-
-       context->streams[0] = dc_stream;
-       dc_stream_retain(context->streams[0]);
-       context->stream_count++;
-
-       result = resource_map_pool_resources(dc, context, dc_stream);
-
-       if (result == DC_OK)
-               result = resource_map_clock_resources(dc, context, dc_stream);
-
-       if (result == DC_OK)
-               result = build_mapped_resource(dc, context, dc_stream);
-
-       if (result == DC_OK) {
-               validate_guaranteed_copy_streams(
-                               context, dc->caps.max_streams);
-               result = resource_build_scaling_params_for_context(dc, context);
-       }
-
-       if (result == DC_OK)
-               if (!dce110_validate_bandwidth(dc, context))
-                       result = DC_FAIL_BANDWIDTH_VALIDATE;
-
-       return result;
-}
-
 static struct pipe_ctx *dce110_acquire_underlay(
                struct dc_state *context,
                const struct resource_pool *pool,
@@ -1036,7 +1004,6 @@ static void dce110_destroy_resource_pool(struct 
resource_pool **pool)
 static const struct resource_funcs dce110_res_pool_funcs = {
        .destroy = dce110_destroy_resource_pool,
        .link_enc_create = dce110_link_encoder_create,
-       .validate_guaranteed = dce110_validate_guaranteed,
        .validate_bandwidth = dce110_validate_bandwidth,
        .validate_plane = dce110_validate_plane,
        .acquire_idle_pipe_for_layer = dce110_acquire_underlay,
diff --git a/drivers/gpu/drm/amd/display/dc/dce112/dce112_resource.c 
b/drivers/gpu/drm/amd/display/dc/dce112/dce112_resource.c
index cd1e3f72c44e..0a476636c5c7 100644
--- a/drivers/gpu/drm/amd/display/dc/dce112/dce112_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dce112/dce112_resource.c
@@ -867,38 +867,6 @@ enum dc_status dce112_add_stream_to_ctx(
        return result;
 }
 
-enum dc_status dce112_validate_guaranteed(
-               struct dc *dc,
-               struct dc_stream_state *stream,
-               struct dc_state *context)
-{
-       enum dc_status result = DC_ERROR_UNEXPECTED;
-
-       context->streams[0] = stream;
-       dc_stream_retain(context->streams[0]);
-       context->stream_count++;
-
-       result = resource_map_pool_resources(dc, context, stream);
-
-       if (result == DC_OK)
-               result = resource_map_phy_clock_resources(dc, context, stream);
-
-       if (result == DC_OK)
-               result = build_mapped_resource(dc, context, stream);
-
-       if (result == DC_OK) {
-               validate_guaranteed_copy_streams(
-                               context, dc->caps.max_streams);
-               result = resource_build_scaling_params_for_context(dc, context);
-       }
-
-       if (result == DC_OK)
-               if (!dce112_validate_bandwidth(dc, context))
-                       result = DC_FAIL_BANDWIDTH_VALIDATE;
-
-       return result;
-}
-
 enum dc_status dce112_validate_global(
                struct dc *dc,
                struct dc_state *context)
@@ -921,7 +889,6 @@ static void dce112_destroy_resource_pool(struct 
resource_pool **pool)
 static const struct resource_funcs dce112_res_pool_funcs = {
        .destroy = dce112_destroy_resource_pool,
        .link_enc_create = dce112_link_encoder_create,
-       .validate_guaranteed = dce112_validate_guaranteed,
        .validate_bandwidth = dce112_validate_bandwidth,
        .validate_plane = dce100_validate_plane,
        .add_stream_to_ctx = dce112_add_stream_to_ctx,
diff --git a/drivers/gpu/drm/amd/display/dc/dce112/dce112_resource.h 
b/drivers/gpu/drm/amd/display/dc/dce112/dce112_resource.h
index d5c19d34eb0a..95a403396219 100644
--- a/drivers/gpu/drm/amd/display/dc/dce112/dce112_resource.h
+++ b/drivers/gpu/drm/amd/display/dc/dce112/dce112_resource.h
@@ -42,11 +42,6 @@ enum dc_status dce112_validate_with_context(
                struct dc_state *context,
                struct dc_state *old_context);
 
-enum dc_status dce112_validate_guaranteed(
-               struct dc *dc,
-               struct dc_stream_state *dc_stream,
-               struct dc_state *context);
-
 bool dce112_validate_bandwidth(
        struct dc *dc,
        struct dc_state *context);
diff --git a/drivers/gpu/drm/amd/display/dc/dce120/dce120_resource.c 
b/drivers/gpu/drm/amd/display/dc/dce120/dce120_resource.c
index 4659a4bfabaa..567e6b487877 100644
--- a/drivers/gpu/drm/amd/display/dc/dce120/dce120_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dce120/dce120_resource.c
@@ -684,7 +684,6 @@ static void dce120_destroy_resource_pool(struct 
resource_pool **pool)
 static const struct resource_funcs dce120_res_pool_funcs = {
        .destroy = dce120_destroy_resource_pool,
        .link_enc_create = dce120_link_encoder_create,
-       .validate_guaranteed = dce112_validate_guaranteed,
        .validate_bandwidth = dce112_validate_bandwidth,
        .validate_plane = dce100_validate_plane,
        .add_stream_to_ctx = dce112_add_stream_to_ctx
diff --git a/drivers/gpu/drm/amd/display/dc/dce80/dce80_resource.c 
b/drivers/gpu/drm/amd/display/dc/dce80/dce80_resource.c
index 5d854a37a978..48a068964722 100644
--- a/drivers/gpu/drm/amd/display/dc/dce80/dce80_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dce80/dce80_resource.c
@@ -691,23 +691,6 @@ static void destruct(struct dce110_resource_pool *pool)
        }
 }
 
-static enum dc_status build_mapped_resource(
-               const struct dc *dc,
-               struct dc_state *context,
-               struct dc_stream_state *stream)
-{
-       struct pipe_ctx *pipe_ctx = 
resource_get_head_pipe_for_stream(&context->res_ctx, stream);
-
-       if (!pipe_ctx)
-               return DC_ERROR_UNEXPECTED;
-
-       dce110_resource_build_pipe_hw_param(pipe_ctx);
-
-       resource_build_info_frame(pipe_ctx);
-
-       return DC_OK;
-}
-
 bool dce80_validate_bandwidth(
        struct dc *dc,
        struct dc_state *context)
@@ -749,37 +732,6 @@ enum dc_status dce80_validate_global(
        return DC_OK;
 }
 
-enum dc_status dce80_validate_guaranteed(
-               struct dc *dc,
-               struct dc_stream_state *dc_stream,
-               struct dc_state *context)
-{
-       enum dc_status result = DC_ERROR_UNEXPECTED;
-
-       context->streams[0] = dc_stream;
-       dc_stream_retain(context->streams[0]);
-       context->stream_count++;
-
-       result = resource_map_pool_resources(dc, context, dc_stream);
-
-       if (result == DC_OK)
-               result = resource_map_clock_resources(dc, context, dc_stream);
-
-       if (result == DC_OK)
-               result = build_mapped_resource(dc, context, dc_stream);
-
-       if (result == DC_OK) {
-               validate_guaranteed_copy_streams(
-                               context, dc->caps.max_streams);
-               result = resource_build_scaling_params_for_context(dc, context);
-       }
-
-       if (result == DC_OK)
-               result = dce80_validate_bandwidth(dc, context);
-
-       return result;
-}
-
 static void dce80_destroy_resource_pool(struct resource_pool **pool)
 {
        struct dce110_resource_pool *dce110_pool = TO_DCE110_RES_POOL(*pool);
@@ -792,7 +744,6 @@ static void dce80_destroy_resource_pool(struct 
resource_pool **pool)
 static const struct resource_funcs dce80_res_pool_funcs = {
        .destroy = dce80_destroy_resource_pool,
        .link_enc_create = dce80_link_encoder_create,
-       .validate_guaranteed = dce80_validate_guaranteed,
        .validate_bandwidth = dce80_validate_bandwidth,
        .validate_plane = dce100_validate_plane,
        .add_stream_to_ctx = dce100_add_stream_to_ctx,
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c 
b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c
index 3356125a6117..5f40a7374c02 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c
@@ -121,6 +121,13 @@ bool dpp_get_optimal_number_of_taps(
        else
                pixel_width = scl_data->viewport.width;
 
+       /* Some ASICs does not support  FP16 scaling, so we reject modes 
require this*/
+       if (scl_data->viewport.width  != scl_data->h_active &&
+               scl_data->viewport.height != scl_data->v_active &&
+               dpp->caps->dscl_data_proc_format == 
DSCL_DATA_PRCESSING_FIXED_FORMAT &&
+               scl_data->format == PIXEL_FORMAT_FP16)
+               return false;
+
        /* TODO: add lb check */
 
        /* No support for programming ratio of 4, drop to 3.99999.. */
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c 
b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c
index 02bd664aed3e..a3fe343b4a85 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c
@@ -918,36 +918,6 @@ enum dc_status dcn10_add_stream_to_ctx(
        return result;
 }
 
-enum dc_status dcn10_validate_guaranteed(
-               struct dc *dc,
-               struct dc_stream_state *dc_stream,
-               struct dc_state *context)
-{
-       enum dc_status result = DC_ERROR_UNEXPECTED;
-
-       context->streams[0] = dc_stream;
-       dc_stream_retain(context->streams[0]);
-       context->stream_count++;
-
-       result = resource_map_pool_resources(dc, context, dc_stream);
-
-       if (result == DC_OK)
-               result = resource_map_phy_clock_resources(dc, context, 
dc_stream);
-
-       if (result == DC_OK)
-               result = build_mapped_resource(dc, context, dc_stream);
-
-       if (result == DC_OK) {
-               validate_guaranteed_copy_streams(
-                               context, dc->caps.max_streams);
-               result = resource_build_scaling_params_for_context(dc, context);
-       }
-       if (result == DC_OK && !dcn_validate_bandwidth(dc, context))
-               return DC_FAIL_BANDWIDTH_VALIDATE;
-
-       return result;
-}
-
 static struct pipe_ctx *dcn10_acquire_idle_pipe_for_layer(
                struct dc_state *context,
                const struct resource_pool *pool,
@@ -1233,7 +1203,6 @@ static struct dc_cap_funcs cap_funcs = {
 static struct resource_funcs dcn10_res_pool_funcs = {
        .destroy = dcn10_destroy_resource_pool,
        .link_enc_create = dcn10_link_encoder_create,
-       .validate_guaranteed = dcn10_validate_guaranteed,
        .validate_bandwidth = dcn_validate_bandwidth,
        .acquire_idle_pipe_for_layer = dcn10_acquire_idle_pipe_for_layer,
        .validate_plane = dcn10_validate_plane,
diff --git a/drivers/gpu/drm/amd/display/dc/inc/core_types.h 
b/drivers/gpu/drm/amd/display/dc/inc/core_types.h
index 55f56bf7d5b6..a94942d4e66b 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/core_types.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/core_types.h
@@ -95,11 +95,6 @@ struct resource_funcs {
        struct link_encoder *(*link_enc_create)(
                        const struct encoder_init_data *init);
 
-       enum dc_status (*validate_guaranteed)(
-                                       struct dc *dc,
-                                       struct dc_stream_state *stream,
-                                       struct dc_state *context);
-
        bool (*validate_bandwidth)(
                                        struct dc *dc,
                                        struct dc_state *context);
diff --git a/drivers/gpu/drm/amd/display/dc/inc/resource.h 
b/drivers/gpu/drm/amd/display/dc/inc/resource.h
index 5467332faf7b..640a647f4611 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/resource.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/resource.h
@@ -139,10 +139,6 @@ bool resource_validate_attach_surfaces(
                struct dc_state *context,
                const struct resource_pool *pool);
 
-void validate_guaranteed_copy_streams(
-               struct dc_state *context,
-               int max_streams);
-
 void resource_validate_ctx_update_pointer_after_copy(
                const struct dc_state *src_ctx,
                struct dc_state *dst_ctx);
-- 
2.14.1

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