drm/amd/display: decouple per-crtc-plane model

Current design has per-crtc-plane model.
As a result, for asic's that support underlay,
are unable to expose it to user space for modesetting.

To enable this, the drm driver intialisation now runs
for number of surfaces instead of stream/crtc.

This patch plumbs surface capabilities to drm framework
so that it can be effectively used by user space.

Tests: (On Chromium OS for Stoney Only)
* 'modetest -p'  now shows additional plane
  with YUV capabilities in case of CZ and ST.
* 'plane_test' fails with below error:
  [drm:amdgpu_dm_connector_atomic_set_property [amdgpu]] *ERROR* Unsupported screen depth 0
  as ther is no support for YUYV
* Checked multimonitor display works fine

Signed-off-by: Shirish S <shirish.s@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h
index e5d2ce48cb1eede48b618a3516390246997c9a85..362d9559f065afd5f2339bf40b018ced6cf37af2 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h
@@ -60,6 +60,7 @@ struct amdgpu_hpd;
 
 #define AMDGPU_MAX_HPD_PINS 6
 #define AMDGPU_MAX_CRTCS 6
+#define AMDGPU_MAX_PLANES 6
 #define AMDGPU_MAX_AFMT_BLOCKS 9
 
 enum amdgpu_rmx_type {
@@ -327,6 +328,7 @@ struct amdgpu_mode_info {
        struct card_info *atom_card_info;
        bool mode_config_initialized;
        struct amdgpu_crtc *crtcs[AMDGPU_MAX_CRTCS];
+       struct amdgpu_plane *planes[AMDGPU_MAX_PLANES];
        struct amdgpu_afmt *afmt[AMDGPU_MAX_AFMT_BLOCKS];
        /* DVI-I properties */
        struct drm_property *coherent_mode_property;
@@ -356,6 +358,7 @@ struct amdgpu_mode_info {
        int                     num_dig; /* number of dig blocks */
        int                     disp_priority;
        const struct amdgpu_display_funcs *funcs;
+       enum drm_plane_type *plane_type;
 };
 
 #define AMDGPU_MAX_BL_LEVEL 0xFF
@@ -436,6 +439,11 @@ struct amdgpu_crtc {
        struct drm_pending_vblank_event *event;
 };
 
+struct amdgpu_plane {
+       struct drm_plane base;
+       enum drm_plane_type plane_type;
+};
+
 struct amdgpu_encoder_atom_dig {
        bool linkb;
        /* atom dig */

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index b08ec453b773edd20fa1efab340074ef2a70a6d6..d76448d04423af1278e523c06a0642467d4a4ad4 100644 (file)
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -49,6 +49,28 @@
 
 #include "modules/inc/mod_freesync.h"
 
+static enum drm_plane_type dm_surfaces_type_default[AMDGPU_MAX_PLANES] = {
+       DRM_PLANE_TYPE_PRIMARY,
+       DRM_PLANE_TYPE_PRIMARY,
+       DRM_PLANE_TYPE_PRIMARY,
+       DRM_PLANE_TYPE_PRIMARY,
+       DRM_PLANE_TYPE_PRIMARY,
+       DRM_PLANE_TYPE_PRIMARY,
+};
+
+static enum drm_plane_type dm_surfaces_type_carizzo[AMDGPU_MAX_PLANES] = {
+       DRM_PLANE_TYPE_PRIMARY,
+       DRM_PLANE_TYPE_PRIMARY,
+       DRM_PLANE_TYPE_PRIMARY,
+       DRM_PLANE_TYPE_OVERLAY,/* YUV Capable Underlay */
+};
+
+static enum drm_plane_type dm_surfaces_type_stoney[AMDGPU_MAX_PLANES] = {
+       DRM_PLANE_TYPE_PRIMARY,
+       DRM_PLANE_TYPE_PRIMARY,
+       DRM_PLANE_TYPE_OVERLAY, /* YUV Capable Underlay */
+};
+
 /*
  * dm_vblank_get_counter
  *
@@ -1051,30 +1073,34 @@ int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev)
        uint32_t i;
        struct amdgpu_connector *aconnector;
        struct amdgpu_encoder *aencoder;
-       struct amdgpu_crtc *acrtc;
+       struct amdgpu_mode_info *mode_info = &adev->mode_info;
        uint32_t link_cnt;
 
        link_cnt = dm->dc->caps.max_links;
-
        if (amdgpu_dm_mode_config_init(dm->adev)) {
                DRM_ERROR("DM: Failed to initialize mode config\n");
-               return -1;
+               goto fail;
        }
 
-       for (i = 0; i < dm->dc->caps.max_streams; i++) {
-               acrtc = kzalloc(sizeof(struct amdgpu_crtc), GFP_KERNEL);
-               if (!acrtc)
-                       goto fail;
+       for (i = 0; i < dm->dc->caps.max_surfaces; i++) {
+               mode_info->planes[i] = kzalloc(sizeof(struct amdgpu_plane),
+                                                                GFP_KERNEL);
+               if (!mode_info->planes[i]) {
+                       DRM_ERROR("KMS: Failed to allocate surface\n");
+                       goto fail_free_planes;
+               }
+               mode_info->planes[i]->plane_type = mode_info->plane_type[i];
+               if (amdgpu_dm_plane_init(dm, mode_info->planes[i], 1)) {
+                       DRM_ERROR("KMS: Failed to initialize plane\n");
+                       goto fail_free_planes;
+               }
+       }
 
-               if (amdgpu_dm_crtc_init(
-                       dm,
-                       acrtc,
-                       i)) {
+       for (i = 0; i < dm->dc->caps.max_streams; i++)
+               if (amdgpu_dm_crtc_init(dm, &mode_info->planes[i]->base, i)) {
                        DRM_ERROR("KMS: Failed to initialize crtc\n");
-                       kfree(acrtc);
-                       goto fail;
+                       goto fail_free_planes;
                }
-       }
 
        dm->display_indexes_num = dm->dc->caps.max_streams;
 
@@ -1125,12 +1151,12 @@ int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev)
        case CHIP_VEGA10:
                if (dce110_register_irq_handlers(dm->adev)) {
                        DRM_ERROR("DM: Failed to initialize IRQ\n");
-                       return -1;
+                       goto fail_free_encoder;
                }
                break;
        default:
                DRM_ERROR("Usupported ASIC type: 0x%X\n", adev->asic_type);
-               return -1;
+               goto fail_free_encoder;
        }
 
        drm_mode_config_reset(dm->ddev);
@@ -1140,6 +1166,9 @@ fail_free_encoder:
        kfree(aencoder);
 fail_free_connector:
        kfree(aconnector);
+fail_free_planes:
+       for (i = 0; i < dm->dc->caps.max_surfaces; i++)
+               kfree(mode_info->planes[i]);
 fail:
        return -1;
 }
@@ -1361,33 +1390,39 @@ static int dm_early_init(void *handle)
                adev->mode_info.num_crtc = 6;
                adev->mode_info.num_hpd = 6;
                adev->mode_info.num_dig = 6;
+               adev->mode_info.plane_type = dm_surfaces_type_default;
                break;
        case CHIP_FIJI:
        case CHIP_TONGA:
                adev->mode_info.num_crtc = 6;
                adev->mode_info.num_hpd = 6;
                adev->mode_info.num_dig = 7;
+               adev->mode_info.plane_type = dm_surfaces_type_default;
                break;
        case CHIP_CARRIZO:
                adev->mode_info.num_crtc = 3;
                adev->mode_info.num_hpd = 6;
                adev->mode_info.num_dig = 9;
+               adev->mode_info.plane_type = dm_surfaces_type_carizzo;
                break;
        case CHIP_STONEY:
                adev->mode_info.num_crtc = 2;
                adev->mode_info.num_hpd = 6;
                adev->mode_info.num_dig = 9;
+               adev->mode_info.plane_type = dm_surfaces_type_stoney;
                break;
        case CHIP_POLARIS11:
        case CHIP_POLARIS12:
                adev->mode_info.num_crtc = 5;
                adev->mode_info.num_hpd = 5;
                adev->mode_info.num_dig = 5;
+               adev->mode_info.plane_type = dm_surfaces_type_default;
                break;
        case CHIP_POLARIS10:
                adev->mode_info.num_crtc = 6;
                adev->mode_info.num_hpd = 6;
                adev->mode_info.num_dig = 6;
+               adev->mode_info.plane_type = dm_surfaces_type_default;
                break;
        case CHIP_VEGA10:
                adev->mode_info.num_crtc = 6;

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.c
index ee9239ab734c2f8e2c493497809c33e9e9988a18..1751f138c36afd6403c0d11103d58b765d7b3f9a 100644 (file)
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.c
@@ -1446,6 +1446,8 @@ const struct drm_encoder_helper_funcs amdgpu_dm_encoder_helper_funcs = {
 };
 
 static const struct drm_plane_funcs dm_plane_funcs = {
+       .update_plane   = drm_atomic_helper_update_plane,
+       .disable_plane  = drm_atomic_helper_disable_plane,
        .reset = drm_atomic_helper_plane_reset,
        .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
        .atomic_destroy_state = drm_atomic_helper_plane_destroy_state
@@ -1577,38 +1579,67 @@ static uint32_t rgb_formats[] = {
        DRM_FORMAT_ABGR2101010,
 };
 
-int amdgpu_dm_crtc_init(struct amdgpu_display_manager *dm,
-                       struct amdgpu_crtc *acrtc,
-                       uint32_t crtc_index)
+static uint32_t yuv_formats[] = {
+       DRM_FORMAT_YUYV,
+       DRM_FORMAT_YVYU,
+       DRM_FORMAT_UYVY,
+       DRM_FORMAT_VYUY,
+};
+
+int amdgpu_dm_plane_init(struct amdgpu_display_manager *dm,
+                       struct amdgpu_plane *aplane,
+                       unsigned long possible_crtcs)
 {
-       int res = -ENOMEM;
+       int res = -EPERM;
 
-       struct drm_plane *primary_plane =
-               kzalloc(sizeof(*primary_plane), GFP_KERNEL);
+       switch (aplane->plane_type) {
+       case DRM_PLANE_TYPE_PRIMARY:
+               aplane->base.format_default = true;
 
-       if (!primary_plane)
-               goto fail_plane;
+               res = drm_universal_plane_init(
+                               dm->adev->ddev,
+                               &aplane->base,
+                               possible_crtcs,
+                               &dm_plane_funcs,
+                               rgb_formats,
+                               ARRAY_SIZE(rgb_formats),
+                               NULL, aplane->plane_type, NULL);
+               break;
+       case DRM_PLANE_TYPE_OVERLAY:
+               res = drm_universal_plane_init(
+                               dm->adev->ddev,
+                               &aplane->base,
+                               possible_crtcs,
+                               &dm_plane_funcs,
+                               yuv_formats,
+                               ARRAY_SIZE(yuv_formats),
+                               NULL, aplane->plane_type, NULL);
+               break;
+       case DRM_PLANE_TYPE_CURSOR:
+               DRM_ERROR("KMS: Cursor plane not implemented.");
+               break;
+       }
 
-       primary_plane->format_default = true;
+       drm_plane_helper_add(&aplane->base, &dm_plane_helper_funcs);
 
-       res = drm_universal_plane_init(
-               dm->adev->ddev,
-               primary_plane,
-               0,
-               &dm_plane_funcs,
-               rgb_formats,
-               ARRAY_SIZE(rgb_formats),
-               NULL,
-               DRM_PLANE_TYPE_PRIMARY, NULL);
+       return res;
+}
 
-       primary_plane->crtc = &acrtc->base;
+int amdgpu_dm_crtc_init(struct amdgpu_display_manager *dm,
+                       struct drm_plane *plane,
+                       uint32_t crtc_index)
+{
+       struct amdgpu_crtc *acrtc;
+       int res = -ENOMEM;
 
-       drm_plane_helper_add(primary_plane, &dm_plane_helper_funcs);
+       acrtc = kzalloc(sizeof(struct amdgpu_crtc), GFP_KERNEL);
+       if (!acrtc)
+               goto fail;
 
        res = drm_crtc_init_with_planes(
                        dm->ddev,
                        &acrtc->base,
-                       primary_plane,
+                       plane,
                        NULL,
                        &amdgpu_dm_crtc_funcs, NULL);
 
@@ -1628,8 +1659,7 @@ int amdgpu_dm_crtc_init(struct amdgpu_display_manager *dm,
 
        return 0;
 fail:
-       kfree(primary_plane);
-fail_plane:
+       kfree(acrtc);
        acrtc->crtc_id = -1;
        return res;
 }

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.h
index 1bbeb87dc9d0e828df20b30287ccf228b145ca95..ab6d51dbbf4bb913c4ef0dcd157aaed90d8c02be 100644 (file)
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.h
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.h
@@ -34,8 +34,11 @@ struct dc_validation_set;
 struct dc_surface;
 
 /*TODO Jodan Hersen use the one in amdgpu_dm*/
+int amdgpu_dm_plane_init(struct amdgpu_display_manager *dm,
+                       struct amdgpu_plane *aplane,
+                       unsigned long possible_crtcs);
 int amdgpu_dm_crtc_init(struct amdgpu_display_manager *dm,
-                       struct amdgpu_crtc *amdgpu_crtc,
+                       struct drm_plane *plane,
                        uint32_t link_index);
 int amdgpu_dm_connector_init(struct amdgpu_display_manager *dm,
                        struct amdgpu_connector *amdgpu_connector,

diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h
index 0731045f6084f9cfc9846f228b87d85f1f0e32c0..9dd8b2ad4c591d35a043a7e5465c9ec68bf58d03 100644 (file)
--- a/drivers/gpu/drm/amd/display/dc/dc.h
+++ b/drivers/gpu/drm/amd/display/dc/dc.h
@@ -45,6 +45,7 @@ struct dc_caps {
        uint32_t max_links;
        uint32_t max_audios;
        uint32_t max_slave_planes;
+       uint32_t max_surfaces;
        uint32_t max_downscale_ratio;
        uint32_t i2c_speed_in_khz;
 

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 b6f77f88be9c5aa064daa9bbb691f8f5081b8f28..d1685df09815bca3607fdbafebc96d5b8606cc4e 100644 (file)
--- a/drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c
@@ -1035,6 +1035,8 @@ static bool construct(
                }
        }
 
+       dc->public.caps.max_surfaces =  pool->base.pipe_count;
+
        if (!resource_construct(num_virtual_links, dc, &pool->base,
                        &res_create_funcs))
                goto res_create_fail;

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 e3002031c40dcb3afcc893dd42ab53ab546f5d01..065a2986b666661d75c29dcf34fb3d1cd1caaa57 100644 (file)
--- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c
@@ -1455,6 +1455,8 @@ static bool construct(
        if (!dce110_hw_sequencer_construct(dc))
                goto res_create_fail;
 
+       dc->public.caps.max_surfaces =  pool->base.pipe_count;
+
        bw_calcs_init(&dc->bw_dceip, &dc->bw_vbios, dc->ctx->asic_id);
 
        bw_calcs_data_update_from_pplib(dc);

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 32aa1b5bf1f941faad3e86e73ec5abb0e2fbe399..ece3ec72363d56bd8c0a713ab2daaed9626baa04 100644 (file)
--- a/drivers/gpu/drm/amd/display/dc/dce112/dce112_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dce112/dce112_resource.c
@@ -1409,6 +1409,8 @@ static bool construct(
                          &res_create_funcs))
                goto res_create_fail;
 
+       dc->public.caps.max_surfaces =  pool->base.pipe_count;
+
        /* Create hardware sequencer */
        if (!dce112_hw_sequencer_construct(dc))
                goto res_create_fail;

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 efa58889058b4a6cfd416f9774722fb3392e0b2b..f677a77ca6e02ee66271c62d25341d7ca4fe4d5b 100644 (file)
--- a/drivers/gpu/drm/amd/display/dc/dce120/dce120_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dce120/dce120_resource.c
@@ -1060,6 +1060,8 @@ static bool construct(
        if (!dce120_hw_sequencer_create(dc))
                goto controller_create_fail;
 
+       dc->public.caps.max_surfaces =  pool->base.pipe_count;
+
        bw_calcs_init(&dc->bw_dceip, &dc->bw_vbios, dc->ctx->asic_id);
 
        bw_calcs_data_update_from_pplib(dc);

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 a3e8182885b2ae2ff77ec270e7e55629c3349d9b..752e0e7579b90c963a7262f3a0da07c26e3b3828 100644 (file)
--- a/drivers/gpu/drm/amd/display/dc/dce80/dce80_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dce80/dce80_resource.c
@@ -1043,6 +1043,8 @@ static bool construct(
                }
        }
 
+       dc->public.caps.max_surfaces =  pool->base.pipe_count;
+
        if (!resource_construct(num_virtual_links, dc, &pool->base,
                        &res_create_funcs))
                goto res_create_fail;