Re: [PATCH 3/3] drm/radeon/kms: implement timestamp userspace query

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Thu, Aug 9, 2012 at 11:44 AM, Alex Deucher <alexdeucher@xxxxxxxxx> wrote:
> On Thu, Aug 9, 2012 at 10:57 AM, Jerome Glisse <j.glisse@xxxxxxxxx> wrote:
>> On Thu, Aug 9, 2012 at 10:34 AM, Marek Olšák <maraeo@xxxxxxxxx> wrote:
>>> Signed-off-by: Marek Olšák <maraeo@xxxxxxxxx>
>>
>> Some comment inline that need a v2 at least for version otherwise
>
> How about the attached updated patch?  I'd like to get this series in
> the radeon drm-fixes pull.
>
> Alex

Looks good to me

>>
>> Reviewed-by: Jerome Glisse <jglisse@xxxxxxxxxx>
>>
>>> ---
>>>  drivers/gpu/drm/radeon/r600.c          |   12 +++++++++++
>>>  drivers/gpu/drm/radeon/r600d.h         |    3 +++
>>>  drivers/gpu/drm/radeon/radeon.h        |    1 +
>>>  drivers/gpu/drm/radeon/radeon_asic.h   |    2 ++
>>>  drivers/gpu/drm/radeon/radeon_device.c |    1 +
>>>  drivers/gpu/drm/radeon/radeon_drv.c    |    2 +-
>>>  drivers/gpu/drm/radeon/radeon_kms.c    |   35 ++++++++++++++++++++++++++------
>>>  drivers/gpu/drm/radeon/si.c            |   11 ++++++++++
>>>  drivers/gpu/drm/radeon/sid.h           |    3 +++
>>>  include/drm/radeon_drm.h               |    2 ++
>>>  10 files changed, 65 insertions(+), 7 deletions(-)
>>>
>>> diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
>>> index 637280f..be0e320 100644
>>> --- a/drivers/gpu/drm/radeon/r600.c
>>> +++ b/drivers/gpu/drm/radeon/r600.c
>>> @@ -3789,3 +3789,15 @@ static void r600_pcie_gen2_enable(struct radeon_device *rdev)
>>>                 WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
>>>         }
>>>  }
>>> +
>>> +uint64_t r600_get_gpu_clock(struct radeon_device *rdev)
>>> +{
>>> +       uint64_t clock;
>>> +
>>> +       mutex_lock(&rdev->gpu_clock_mutex);
>>> +       WREG32(RLC_CAPTURE_GPU_CLOCK_COUNT, 1);
>>> +       clock = (uint64_t)RREG32(RLC_GPU_CLOCK_COUNT_LSB) |
>>> +               ((uint64_t)RREG32(RLC_GPU_CLOCK_COUNT_MSB) << 32);
>>
>> I keep forgeting about c type rules but i think you want 32ULL
>>
>>> +       mutex_unlock(&rdev->gpu_clock_mutex);
>>> +       return clock;
>>> +}
>>> diff --git a/drivers/gpu/drm/radeon/r600d.h b/drivers/gpu/drm/radeon/r600d.h
>>> index 4b116ae..fd328f4 100644
>>> --- a/drivers/gpu/drm/radeon/r600d.h
>>> +++ b/drivers/gpu/drm/radeon/r600d.h
>>> @@ -602,6 +602,9 @@
>>>  #define RLC_HB_WPTR                                       0x3f1c
>>>  #define RLC_HB_WPTR_LSB_ADDR                              0x3f14
>>>  #define RLC_HB_WPTR_MSB_ADDR                              0x3f18
>>> +#define RLC_GPU_CLOCK_COUNT_LSB                                  0x3f38
>>> +#define RLC_GPU_CLOCK_COUNT_MSB                                  0x3f3c
>>> +#define RLC_CAPTURE_GPU_CLOCK_COUNT                      0x3f40
>>>  #define RLC_MC_CNTL                                       0x3f44
>>>  #define RLC_UCODE_CNTL                                    0x3f48
>>>  #define RLC_UCODE_ADDR                                    0x3f2c
>>> diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
>>> index 5431af2..150097f 100644
>>> --- a/drivers/gpu/drm/radeon/radeon.h
>>> +++ b/drivers/gpu/drm/radeon/radeon.h
>>> @@ -1533,6 +1533,7 @@ struct radeon_device {
>>>         unsigned                debugfs_count;
>>>         /* virtual memory */
>>>         struct radeon_vm_manager        vm_manager;
>>> +       struct mutex                    gpu_clock_mutex;
>>>  };
>>>
>>>  int radeon_device_init(struct radeon_device *rdev,
>>> diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h
>>> index f4af243..cbba387 100644
>>> --- a/drivers/gpu/drm/radeon/radeon_asic.h
>>> +++ b/drivers/gpu/drm/radeon/radeon_asic.h
>>> @@ -371,6 +371,7 @@ void r600_kms_blit_copy(struct radeon_device *rdev,
>>>                         unsigned num_gpu_pages,
>>>                         struct radeon_sa_bo *vb);
>>>  int r600_mc_wait_for_idle(struct radeon_device *rdev);
>>> +uint64_t r600_get_gpu_clock(struct radeon_device *rdev);
>>>
>>>  /*
>>>   * rv770,rv730,rv710,rv740
>>> @@ -472,5 +473,6 @@ int si_vm_bind(struct radeon_device *rdev, struct radeon_vm *vm, int id);
>>>  void si_vm_unbind(struct radeon_device *rdev, struct radeon_vm *vm);
>>>  void si_vm_tlb_flush(struct radeon_device *rdev, struct radeon_vm *vm);
>>>  int si_ib_parse(struct radeon_device *rdev, struct radeon_ib *ib);
>>> +uint64_t si_get_gpu_clock(struct radeon_device *rdev);
>>>
>>>  #endif
>>> diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
>>> index 742af82..d2e2438 100644
>>> --- a/drivers/gpu/drm/radeon/radeon_device.c
>>> +++ b/drivers/gpu/drm/radeon/radeon_device.c
>>> @@ -1009,6 +1009,7 @@ int radeon_device_init(struct radeon_device *rdev,
>>>         atomic_set(&rdev->ih.lock, 0);
>>>         mutex_init(&rdev->gem.mutex);
>>>         mutex_init(&rdev->pm.mutex);
>>> +       mutex_init(&rdev->gpu_clock_mutex);
>>>         init_rwsem(&rdev->pm.mclk_lock);
>>>         init_rwsem(&rdev->exclusive_lock);
>>>         init_waitqueue_head(&rdev->irq.vblank_queue);
>>> diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c
>>> index a7f8ac0..f940806 100644
>>> --- a/drivers/gpu/drm/radeon/radeon_drv.c
>>> +++ b/drivers/gpu/drm/radeon/radeon_drv.c
>>> @@ -60,7 +60,7 @@
>>>   *   2.16.0 - fix evergreen 2D tiled surface calculation
>>>   *   2.17.0 - add STRMOUT_BASE_UPDATE for r7xx
>>>   *   2.18.0 - r600-eg: allow "invalid" DB formats
>>> - *   2.19.0 - r600-eg: MSAA textures
>>> + *   2.19.0 - r600-eg: MSAA textures; r600-si: RADEON_INFO_TIMESTAMP query
>>
>> Given the failure that have been the streamout one, i would prefer to
>> also bump the version for timestamp ie 2.20.0
>>
>>>   */
>>>  #define KMS_DRIVER_MAJOR       2
>>>  #define KMS_DRIVER_MINOR       19
>>> diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c
>>> index 1d73f16..414b4ac 100644
>>> --- a/drivers/gpu/drm/radeon/radeon_kms.c
>>> +++ b/drivers/gpu/drm/radeon/radeon_kms.c
>>> @@ -29,6 +29,7 @@
>>>  #include "drm_sarea.h"
>>>  #include "radeon.h"
>>>  #include "radeon_drm.h"
>>> +#include "radeon_asic.h"
>>>
>>>  #include <linux/vga_switcheroo.h>
>>>  #include <linux/slab.h>
>>> @@ -167,17 +168,39 @@ static void radeon_set_filp_rights(struct drm_device *dev,
>>>  int radeon_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
>>>  {
>>>         struct radeon_device *rdev = dev->dev_private;
>>> -       struct drm_radeon_info *info;
>>> +       struct drm_radeon_info *info = data;
>>>         struct radeon_mode_info *minfo = &rdev->mode_info;
>>> -       uint32_t *value_ptr;
>>> -       uint32_t value;
>>> +       uint32_t value, *value_ptr;
>>> +       uint64_t value64, *value_ptr64;
>>>         struct drm_crtc *crtc;
>>>         int i, found;
>>>
>>> -       info = data;
>>> +       /* TIMESTAMP is a 64-bit value, needs special handling. */
>>> +       if (info->request == RADEON_INFO_TIMESTAMP) {
>>> +               if (rdev->family >= CHIP_R600) {
>>> +                       value_ptr64 = (uint64_t*)((unsigned long)info->value);
>>> +                       if (rdev->family >= CHIP_TAHITI) {
>>> +                               value64 = si_get_gpu_clock(rdev);
>>> +                       } else {
>>> +                               value64 = r600_get_gpu_clock(rdev);
>>> +                       }
>>> +
>>> +                       if (DRM_COPY_TO_USER(value_ptr64, &value64, sizeof(value64))) {
>>> +                               DRM_ERROR("copy_to_user %s:%u\n", __func__, __LINE__);
>>> +                               return -EFAULT;
>>> +                       }
>>> +                       return 0;
>>> +               } else {
>>> +                       DRM_DEBUG_KMS("timestamp is r6xx+ only!\n");
>>> +                       return -EINVAL;
>>> +               }
>>> +       }
>>> +
>>>         value_ptr = (uint32_t *)((unsigned long)info->value);
>>> -       if (DRM_COPY_FROM_USER(&value, value_ptr, sizeof(value)))
>>> +       if (DRM_COPY_FROM_USER(&value, value_ptr, sizeof(value))) {
>>> +               DRM_ERROR("copy_from_user %s:%u\n", __func__, __LINE__);
>>>                 return -EFAULT;
>>> +       }
>>>
>>>         switch (info->request) {
>>>         case RADEON_INFO_DEVICE_ID:
>>> @@ -337,7 +360,7 @@ int radeon_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
>>>                 return -EINVAL;
>>>         }
>>>         if (DRM_COPY_TO_USER(value_ptr, &value, sizeof(uint32_t))) {
>>> -               DRM_ERROR("copy_to_user\n");
>>> +               DRM_ERROR("copy_to_user %s:%u\n", __func__, __LINE__);
>>>                 return -EFAULT;
>>>         }
>>>         return 0;
>>> diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c
>>> index c053f81..0f177d5 100644
>>> --- a/drivers/gpu/drm/radeon/si.c
>>> +++ b/drivers/gpu/drm/radeon/si.c
>>> @@ -3960,3 +3960,14 @@ void si_fini(struct radeon_device *rdev)
>>>         rdev->bios = NULL;
>>>  }
>>>
>>> +uint64_t si_get_gpu_clock(struct radeon_device *rdev)
>>> +{
>>> +       uint64_t clock;
>>> +
>>> +       mutex_lock(&rdev->gpu_clock_mutex);
>>> +       WREG32(RLC_CAPTURE_GPU_CLOCK_COUNT, 1);
>>> +       clock = (uint64_t)RREG32(RLC_GPU_CLOCK_COUNT_LSB) |
>>> +               ((uint64_t)RREG32(RLC_GPU_CLOCK_COUNT_MSB) << 32);
>>> +       mutex_unlock(&rdev->gpu_clock_mutex);
>>> +       return clock;
>>> +}
>>> diff --git a/drivers/gpu/drm/radeon/sid.h b/drivers/gpu/drm/radeon/sid.h
>>> index 7869089..ef4815c 100644
>>> --- a/drivers/gpu/drm/radeon/sid.h
>>> +++ b/drivers/gpu/drm/radeon/sid.h
>>> @@ -698,6 +698,9 @@
>>>  #define RLC_UCODE_ADDR                                    0xC32C
>>>  #define RLC_UCODE_DATA                                    0xC330
>>>
>>> +#define RLC_GPU_CLOCK_COUNT_LSB                           0xC338
>>> +#define RLC_GPU_CLOCK_COUNT_MSB                           0xC33C
>>> +#define RLC_CAPTURE_GPU_CLOCK_COUNT                       0xC340
>>>  #define RLC_MC_CNTL                                       0xC344
>>>  #define RLC_UCODE_CNTL                                    0xC348
>>>
>>> diff --git a/include/drm/radeon_drm.h b/include/drm/radeon_drm.h
>>> index 5805686..dc3a8cd 100644
>>> --- a/include/drm/radeon_drm.h
>>> +++ b/include/drm/radeon_drm.h
>>> @@ -964,6 +964,8 @@ struct drm_radeon_cs {
>>>  #define RADEON_INFO_IB_VM_MAX_SIZE     0x0f
>>>  /* max pipes - needed for compute shaders */
>>>  #define RADEON_INFO_MAX_PIPES          0x10
>>> +/* timestamp for GL_ARB_timer_query (OpenGL), returns the current GPU clock */
>>> +#define RADEON_INFO_TIMESTAMP          0x11
>>>
>>>  struct drm_radeon_info {
>>>         uint32_t                request;
>>> --
>>> 1.7.9.5
>>>
>>> _______________________________________________
>>> dri-devel mailing list
>>> dri-devel@xxxxxxxxxxxxxxxxxxxxx
>>> http://lists.freedesktop.org/mailman/listinfo/dri-devel
>> _______________________________________________
>> dri-devel mailing list
>> dri-devel@xxxxxxxxxxxxxxxxxxxxx
>> http://lists.freedesktop.org/mailman/listinfo/dri-devel
_______________________________________________
dri-devel mailing list
dri-devel@xxxxxxxxxxxxxxxxxxxxx
http://lists.freedesktop.org/mailman/listinfo/dri-devel



[Index of Archives]     [Linux DRI Users]     [Linux Intel Graphics]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [XFree86]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [XFree86]
  Powered by Linux