i915 power management documentation

2014-06-02 Thread Gábor Bereczki
Hello DRM developers, I am looking after some documentation of the performance management of the GPU hardware, like registers #define GEN6_RPNSWREQ 0xA008 #define GEN6_RP_CONTROL 0xA024 and the likes. I have checked Intel documentatio

looking for i915 direct programming sample application

2014-06-08 Thread Gábor Bereczki
Hi, did some more research. Is the following correct? -OpenCL is not yet supported for Intel GPU on Linux -i915 driver can be accessed by opening /sys/devices/pci/:00:02.0/device and ioctling it? Next I have to learn about output from GPU. In some docs I could read direct access to the graphi

looking for i915 direct programming sample application

2014-06-07 Thread Gábor Bereczki
Hello i915 Community, I am looking after a "Hello world!" like simple skeleton program, from which I could learn how to open the GPU device, how to set up memories, etc, how to pass and execute ringbuffer. How to check resulting frame buffer. I guess there could be such user space application, tha

i915 power management documentation

2014-06-16 Thread Gábor Bereczki
thanks. Same with INSTDONE registers? GEN7 seems to have 4 x 32 bit INSTDONE registers, but not even intel gpu tools can decode them. Coudnt find anything in the registers reference docs. BR, Gabor 2014-06-02 19:02 GMT+02:00 Sylvain BERTRAND : > On Mon, Jun 02, 2014 at 06:45:59PM +0200, Daniel