From: Sonny Jiang <sonny.ji...@amd.com>

Updated to handle latest UVD ucode.

Signed-off-by: Sonny Jiang <sonny.jiang at amd.com>
Reviewed-by: Christian König <christian.koenig at amd.com>
Reviewed-by: Alex Deucher <alexander.deucher at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c | 62 +++++++++++++++++++++++++++++++--
 1 file changed, 59 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
index a7817c3..0b5d730 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
@@ -41,6 +41,8 @@

 /* 1 second timeout */
 #define UVD_IDLE_TIMEOUT_MS    1000
+/* Polaris10/11 firmware version */
+#define FW_1_66_16 ((1 << 24) | (66 << 16) | (16 << 8))

 /* Firmware Names */
 #ifdef CONFIG_DRM_AMDGPU_CIK
@@ -174,6 +176,12 @@ int amdgpu_uvd_sw_init(struct amdgpu_device *adev)
        adev->uvd.fw_version = ((version_major << 24) | (version_minor << 16) |
                                (family_id << 8));

+       if ((adev->asic_type == CHIP_POLARIS10 ||
+               adev->asic_type == CHIP_POLARIS11) &&
+               (adev->uvd.fw_version < FW_1_66_16))
+               DRM_ERROR("POLARIS10/11 UVD firmware version %hu.%hu is too 
old.\n",
+                       version_major, version_minor);
+
        /*
         * Limit the number of UVD handles depending on microcode major
         * and minor versions. The firmware version which has 40 UVD
@@ -412,7 +420,8 @@ static int amdgpu_uvd_cs_pass1(struct amdgpu_uvd_cs_ctx 
*ctx)
  *
  * Peek into the decode message and calculate the necessary buffer sizes.
  */
-static int amdgpu_uvd_cs_msg_decode(uint32_t *msg, unsigned buf_sizes[])
+static int amdgpu_uvd_cs_msg_decode(struct amdgpu_device *adev, uint32_t *msg,
+       unsigned buf_sizes[])
 {
        unsigned stream_type = msg[4];
        unsigned width = msg[6];
@@ -434,7 +443,6 @@ static int amdgpu_uvd_cs_msg_decode(uint32_t *msg, unsigned 
buf_sizes[])

        switch (stream_type) {
        case 0: /* H264 */
-       case 7: /* H264 Perf */
                switch(level) {
                case 30:
                        num_dpb_buffer = 8100 / fs_in_mb;
@@ -512,6 +520,54 @@ static int amdgpu_uvd_cs_msg_decode(uint32_t *msg, 
unsigned buf_sizes[])
                min_dpb_size += ALIGN(width_in_mb * height_in_mb * 32, 64);
                break;

+       case 7: /* H264 Perf */
+               switch(level) {
+               case 30:
+                       num_dpb_buffer = 8100 / fs_in_mb;
+                       break;
+               case 31:
+                       num_dpb_buffer = 18000 / fs_in_mb;
+                       break;
+               case 32:
+                       num_dpb_buffer = 20480 / fs_in_mb;
+                       break;
+               case 41:
+                       num_dpb_buffer = 32768 / fs_in_mb;
+                       break;
+               case 42:
+                       num_dpb_buffer = 34816 / fs_in_mb;
+                       break;
+               case 50:
+                       num_dpb_buffer = 110400 / fs_in_mb;
+                       break;
+               case 51:
+                       num_dpb_buffer = 184320 / fs_in_mb;
+                       break;
+               default:
+                       num_dpb_buffer = 184320 / fs_in_mb;
+                       break;
+               }
+               num_dpb_buffer++;
+               if (num_dpb_buffer > 17)
+                       num_dpb_buffer = 17;
+
+               /* reference picture buffer */
+               min_dpb_size = image_size * num_dpb_buffer;
+
+               if (adev->asic_type < CHIP_POLARIS10){
+                       /* macroblock context buffer */
+                       min_dpb_size +=
+                               width_in_mb * height_in_mb * num_dpb_buffer * 
192;
+
+                       /* IT surface buffer */
+                       min_dpb_size += width_in_mb * height_in_mb * 32;
+               } else {
+                       /* macroblock context buffer */
+                       min_ctx_size =
+                               width_in_mb * height_in_mb * num_dpb_buffer * 
192;
+               }
+               break;
+
        case 16: /* H265 */
                image_size = (ALIGN(width, 16) * ALIGN(height, 16) * 3) / 2;
                image_size = ALIGN(image_size, 256);
@@ -607,7 +663,7 @@ static int amdgpu_uvd_cs_msg(struct amdgpu_uvd_cs_ctx *ctx,

        case 1:
                /* it's a decode msg, calc buffer sizes */
-               r = amdgpu_uvd_cs_msg_decode(msg, ctx->buf_sizes);
+               r = amdgpu_uvd_cs_msg_decode(adev, msg, ctx->buf_sizes);
                amdgpu_bo_kunmap(bo);
                if (r)
                        return r;
-- 
2.5.5

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