From 2e1a7674f65eb2c9118ab59d9c8aa9c731da6b85 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Tue, 4 Dec 2012 12:55:37 -0500 Subject: drm/radeon: add new INFO ioctl requests Add requests to get the number of shader engines (SE) and the number of SH per SE. These are needed for geometry and tesselation shaders in the 3D driver as well as setting up PA_SC_RASTER_CONFIG on SI asics. Signed-off-by: Alex Deucher --- drivers/gpu/drm/radeon/radeon_kms.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'drivers/gpu/drm/radeon/radeon_kms.c') diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c index dc781c49b96b..9c312f9afb68 100644 --- a/drivers/gpu/drm/radeon/radeon_kms.c +++ b/drivers/gpu/drm/radeon/radeon_kms.c @@ -361,6 +361,22 @@ int radeon_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp) return -EINVAL; } break; + case RADEON_INFO_MAX_SE: + if (rdev->family >= CHIP_TAHITI) + value = rdev->config.si.max_shader_engines; + else if (rdev->family >= CHIP_CAYMAN) + value = rdev->config.cayman.max_shader_engines; + else if (rdev->family >= CHIP_CEDAR) + value = rdev->config.evergreen.num_ses; + else + value = 1; + break; + case RADEON_INFO_MAX_SH_PER_SE: + if (rdev->family >= CHIP_TAHITI) + value = rdev->config.si.max_sh_per_se; + else + return -EINVAL; + break; default: DRM_DEBUG_KMS("Invalid request %d\n", info->request); return -EINVAL; -- cgit v1.2.3