[PATCH 2/6] drm/amdgpu: add info ioctl query for vce clock info

[StDenis, Tom]

Shouldn't there be a version bump if you're adding a new command to the ioctl?


Tom


________________________________
From: amd-gfx <amd-gfx-bounces at lists.freedesktop.org> on behalf of Alex Deucher <alexdeucher at gmail.com>
Sent: Friday, October 7, 2016 14:28
To: amd-gfx at lists.freedesktop.org; Fang, Peter; Zhang, Boyuan
Cc: Deucher, Alexander
Subject: [PATCH 2/6] drm/amdgpu: add info ioctl query for vce clock info

This is needed to set up the vce clock table in userspace
for proper VCE DPM.

Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 include/uapi/drm/amdgpu_drm.h | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h
index b6a04d4..7cb71f8 100644
--- a/include/uapi/drm/amdgpu_drm.h
+++ b/include/uapi/drm/amdgpu_drm.h
@@ -491,6 +491,8 @@ struct drm_amdgpu_cs_chunk_data {
 #define AMDGPU_INFO_NUM_EVICTIONS               0x18
 /* Query memory about VRAM and GTT domains */
 #define AMDGPU_INFO_MEMORY                      0x19
+/* Query memory about VRAM and GTT domains */
+#define AMDGPU_INFO_VCE_CLOCK_TABLE            0x1A

 #define AMDGPU_INFO_MMR_SE_INDEX_SHIFT  0
 #define AMDGPU_INFO_MMR_SE_INDEX_MASK   0xff
@@ -677,6 +679,22 @@ struct drm_amdgpu_info_hw_ip {
         __u32  _pad;
 };

+#define AMDGPU_VCE_CLOCK_TABLE_ENTRIES         6
+
+struct drm_amdgpu_info_vce_clock_table_entry {
+       /** System clock */
+       __u32 sclk;
+       /** Memory clock */
+       __u32 mclk;
+       /** VCE clock */
+       __u32 eclk;
+       __u32 pad;
+};
+
+struct drm_amdgpu_info_vce_clock_table {
+       struct drm_amdgpu_info_vce_clock_table_entry entries[AMDGPU_VCE_CLOCK_TABLE_ENTRIES];
+};
+
 /*
  * Supported GPU families
  */
--
2.5.5

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