Hello,

For the first time I have an AMD + Intel combo in my notebook. I use to
have an Nvidia where I was able to use OpenCL.

Is there somebody having the same configuration and with OpenCL setup?

I'm on GNU/Debian 9, so no fgrlx but using the AMDGPU driver.

   xserver-xorg-video-amdgpu

I've also installed: amd-opencl-icd

If I run clinfo I get:

<<
Number of platforms:                             1
  Platform Profile:                              FULL_PROFILE
  Platform Version:                              OpenCL 2.0 AMD-APP (1800.11)
  Platform Name:                                 AMD Accelerated Parallel 
Processing
  Platform Vendor:                               Advanced Micro Devices, Inc.
  Platform Extensions:                           cl_khr_icd 
cl_amd_event_callback cl_amd_offline_devices 


  Platform Name:                                 AMD Accelerated Parallel 
Processing
Number of devices:                               1
  Device Type:                                   CL_DEVICE_TYPE_CPU
  Vendor ID:                                     1002h
  Board name:                                    
  Max compute units:                             8
  Max work items dimensions:                     3
    Max work items[0]:                           1024
    Max work items[1]:                           1024
    Max work items[2]:                           1024
  Max work group size:                           1024
  Preferred vector width char:                   16
  Preferred vector width short:                  8
  Preferred vector width int:                    4
  Preferred vector width long:                   2
  Preferred vector width float:                  8
  Preferred vector width double:                 4
  Native vector width char:                      16
  Native vector width short:                     8
  Native vector width int:                       4
  Native vector width long:                      2
  Native vector width float:                     8
  Native vector width double:                    4
  Max clock frequency:                           2764Mhz
  Address bits:                                  64
  Max memory allocation:                         4123323392
  Image support:                                 Yes
  Max number of images read arguments:           128
  Max number of images write arguments:          64
  Max image 2D width:                            8192
  Max image 2D height:                           8192
  Max image 3D width:                            2048
  Max image 3D height:                           2048
  Max image 3D depth:                            2048
  Max samplers within kernel:                    16
  Max size of kernel argument:                   4096
  Alignment (bits) of base address:              1024
  Minimum alignment (bytes) for any datatype:    128
  Single precision floating point capability
    Denorms:                                     Yes
    Quiet NaNs:                                  Yes
    Round to nearest even:                       Yes
    Round to zero:                               Yes
    Round to +ve and infinity:                   Yes
    IEEE754-2008 fused multiply-add:             Yes
  Cache type:                                    Read/Write
  Cache line size:                               64
  Cache size:                                    32768
  Global memory size:                            16493293568
  Constant buffer size:                          65536
  Max number of constant args:                   8
  Local memory type:                             Global
  Local memory size:                             32768
  Max pipe arguments:                            16
  Max pipe active reservations:                  16
  Max pipe packet size:                          4123323392
  Max global variable size:                      1879048192
  Max global variable preferred total size:      1879048192
  Max read/write image args:                     64
  Max on device events:                          0
  Queue on device max size:                      0
  Max on device queues:                          0
  Queue on device preferred size:                0
  SVM capabilities:                              
    Coarse grain buffer:                         No
    Fine grain buffer:                           No
    Fine grain system:                           No
    Atomics:                                     No
  Preferred platform atomic alignment:           0
  Preferred global atomic alignment:             0
  Preferred local atomic alignment:              0
  Kernel Preferred work group size multiple:     1
  Error correction support:                      0
  Unified memory for Host and Device:            1
  Profiling timer resolution:                    1
  Device endianess:                              Little
  Available:                                     Yes
  Compiler available:                            Yes
  Execution capabilities:                                
    Execute OpenCL kernels:                      Yes
    Execute native function:                     Yes
  Queue on Host properties:                              
    Out-of-Order:                                No
    Profiling :                                  Yes
  Queue on Device properties:                            
    Out-of-Order:                                No
    Profiling :                                  No
  Platform ID:                                   0x7fe5a0d00430
  Name:                                          Intel(R) Core(TM) i7-6820HQ 
CPU @ 2.70GHz
  Vendor:                                        GenuineIntel
  Device OpenCL C version:                       OpenCL C 1.2 
  Driver version:                                1800.11 (sse2,avx)
  Profile:                                       FULL_PROFILE
  Version:                                       OpenCL 1.2 AMD-APP (1800.11)
  Extensions:                                    cl_khr_fp64 cl_amd_fp64 
cl_khr_global_int32_base_atomics cl_khr_global_int32_extended_atomics 
cl_khr_local_int32_base_atomics cl_khr_local_int32_extended_atomics 
cl_khr_int64_base_atomics cl_khr_int64_extended_atomics cl_khr_3d_image_writes 
cl_khr_byte_addressable_store cl_khr_gl_sharing cl_ext_device_fission 
cl_amd_device_attribute_query cl_amd_vec3 cl_amd_printf cl_amd_media_ops 
cl_amd_media_ops2 cl_amd_popcnt cl_khr_spir cl_khr_gl_event 
>>

But darktable seems to see only the Intel GPU:

$ [opencl_init] opencl related configuration options:
[opencl_init] 
[opencl_init] opencl: 1
[opencl_init] opencl_library: ''
[opencl_init] opencl_memory_requirement: 512
[opencl_init] opencl_memory_headroom: 300
[opencl_init] opencl_device_priority: '*/!0,*/*/*'
[opencl_init] opencl_size_roundup: 16
[opencl_init] opencl_async_pixelpipe: 1
[opencl_init] opencl_synch_cache: 1
[opencl_init] opencl_number_event_handles: 100
[opencl_init] opencl_micro_nap: 0
[opencl_init] opencl_use_pinned_memory: 0
[opencl_init] opencl_use_cpu_devices: 0
[opencl_init] opencl_avoid_atomics: 0
[opencl_init] opencl_enable_markesteijn: 1
[opencl_init] 
[opencl_init] found opencl runtime library 'libOpenCL'
[opencl_init] opencl library 'libOpenCL' found on your system and loaded
[opencl_init] found 1 platform
[opencl_init] found 1 device
[opencl_init] discarding CPU device 0 `Intel(R) Core(TM) i7-6820HQ CPU @ 
2.70GHz'.
[opencl_init] no suitable devices found.
[opencl_init] FINALLY: opencl is NOT AVAILABLE on this system.
[opencl_init] initial status of opencl enabled flag is OFF.

Thanks for any help!

-- 
  Pascal Obry /  Magny Les Hameaux (78)

  The best way to travel is by means of imagination

  http://www.obry.net

  gpg --keyserver keys.gnupg.net --recv-key F949BD3B
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