diff options
Diffstat (limited to 'common/recipes-graphics/drm/libdrm-2.4.66/0078-amdgpu-Add-interface-amdgpu_get_fb_id.patch')
| -rw-r--r-- | common/recipes-graphics/drm/libdrm-2.4.66/0078-amdgpu-Add-interface-amdgpu_get_fb_id.patch | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/common/recipes-graphics/drm/libdrm-2.4.66/0078-amdgpu-Add-interface-amdgpu_get_fb_id.patch b/common/recipes-graphics/drm/libdrm-2.4.66/0078-amdgpu-Add-interface-amdgpu_get_fb_id.patch new file mode 100644 index 00000000..5c4ad095 --- /dev/null +++ b/common/recipes-graphics/drm/libdrm-2.4.66/0078-amdgpu-Add-interface-amdgpu_get_fb_id.patch @@ -0,0 +1,124 @@ +From 713485538f2f98590cd3e89ec10a8d9e77f304dc Mon Sep 17 00:00:00 2001 +From: jqdeng <Emily.Deng@amd.com> +Date: Tue, 5 Jul 2016 15:43:37 +0800 +Subject: [PATCH 078/117] amdgpu: Add interface amdgpu_get_fb_id + +The amdgpu_get_fb_id is used to export the crtc's +framebuffer's buffer id to OpenGL driver for capturing +desktop to OpenGL texture. This is for linux rapidfire server. + +Signed-off-by: jqdeng <Emily.Deng@amd.com> +Reviewed-by: Chunming Zhou <David1.Zhou@amd.com> +--- + amdgpu/amdgpu-symbol-check | 1 + + amdgpu/amdgpu.h | 15 +++++++++++++++ + amdgpu/amdgpu_bo.c | 48 ++++++++++++++++++++++++++++++++++++++++++++++ + 3 files changed, 64 insertions(+) + +diff --git a/amdgpu/amdgpu-symbol-check b/amdgpu/amdgpu-symbol-check +index 648db9b..e26ffe2 100755 +--- a/amdgpu/amdgpu-symbol-check ++++ b/amdgpu/amdgpu-symbol-check +@@ -48,6 +48,7 @@ amdgpu_read_mm_registers + amdgpu_va_range_alloc + amdgpu_va_range_free + amdgpu_va_range_query ++amdgpu_get_fb_id + EOF + done) + +diff --git a/amdgpu/amdgpu.h b/amdgpu/amdgpu.h +index d8c436f..0f31100 100644 +--- a/amdgpu/amdgpu.h ++++ b/amdgpu/amdgpu.h +@@ -637,6 +637,21 @@ int amdgpu_bo_import(amdgpu_device_handle dev, + struct amdgpu_bo_import_result *output); + + /** ++ * Allow others to get access to crtc's framebuffer ++ * ++ * \param dev - \c [in] Device handle. ++ * See #amdgpu_device_initialize() ++ * \param fb_id - \c [out] the first crtc's framebuffer's buffer_id ++ * ++ * \return 0 on success\n ++ * <0 - Negative POSIX Error code ++ * ++ * \sa amdgpu_get_fb_id() ++ * ++*/ ++int amdgpu_get_fb_id(amdgpu_device_handle dev, unsigned int *fb_id); ++ ++/** + * Request GPU access to user allocated memory e.g. via "malloc" + * + * \param dev - [in] Device handle. See #amdgpu_device_initialize() +diff --git a/amdgpu/amdgpu_bo.c b/amdgpu/amdgpu_bo.c +index c3f5fb9..49b951b 100644 +--- a/amdgpu/amdgpu_bo.c ++++ b/amdgpu/amdgpu_bo.c +@@ -43,6 +43,7 @@ + #include "amdgpu_internal.h" + #include "util_hash_table.h" + #include "util_math.h" ++#include "xf86drmMode.h" + + static void amdgpu_close_kms_handle(amdgpu_device_handle dev, + uint32_t handle) +@@ -417,6 +418,53 @@ int amdgpu_bo_import(amdgpu_device_handle dev, + return 0; + } + ++/* Get the first use crtc's frame buffer's buffer_id. */ ++int amdgpu_get_fb_id(amdgpu_device_handle dev, unsigned int *fb_id) ++{ ++ drmModeResPtr mode_res; ++ int count_crtcs; ++ drmModeCrtcPtr mode_crtc; ++ int current_id = 0; ++ drmModeFBPtr fbcur; ++ struct drm_amdgpu_gem_create_in bo_info = {}; ++ struct drm_amdgpu_gem_op gem_op = {}; ++ int r = 0; ++ int i; ++ struct amdgpu_bo *bo = NULL; ++ int flag_auth = 0; ++ int fd = dev->fd; ++ ++ amdgpu_get_auth(dev->fd, &flag_auth); ++ if (flag_auth) { ++ fd = dev->fd; ++ } else { ++ amdgpu_get_auth(dev->flink_fd, &flag_auth); ++ if (flag_auth) { ++ fd = dev->flink_fd; ++ } else { ++ fprintf(stderr, "amdgpu: amdgpu_get_fb_id, couldn't get the auth fd\n"); ++ return EINVAL; ++ } ++ } ++ ++ mode_res = drmModeGetResources(fd); ++ if (!mode_res) ++ return EFAULT; ++ ++ count_crtcs = mode_res->count_crtcs; ++ for (i = 0; i < mode_res->count_crtcs; i++) { ++ mode_crtc = drmModeGetCrtc(fd, mode_res->crtcs[i]); ++ if (mode_crtc->buffer_id) { ++ current_id = mode_crtc->buffer_id; ++ if (current_id != NULL) ++ break; ++ } ++ } ++ *fb_id = current_id; ++ ++ return r; ++} ++ + int amdgpu_bo_free(amdgpu_bo_handle buf_handle) + { + /* Just drop the reference. */ +-- +2.7.4 + |