From 1b1090512020369df18dbe36336ac5a85d2cd693 Mon Sep 17 00:00:00 2001 From: Vijayakumar Date: Wed, 31 Aug 2016 17:40:24 +0530 Subject: gpu: nvgpu: support to parse VF table JIRA DNVGPU-123 function was added to retrieve V for F or F for V for a given clock domain. Clock domain can be master or slave. F or V can be intermediate point between two successive V or F values in VF table. VF table should be cached before calling this function. A F value below Fmin will return Vmin. F > Fmax will return error A V value above Vmax wil return F max. A V value below Vmin will return error. Change-Id: I28b4e8647510c6933e9e1204cfff31d74616e11a Signed-off-by: Vijayakumar Reviewed-on: http://git-master/r/1211234 (cherry-picked from commit 5b83b03f2454fbec8d49a064ed09b09c92d3e9fa) Reviewed-on: http://git-master/r/1235054 Reviewed-by: Thomas Fleury Reviewed-by: Terje Bergstrom Tested-by: Terje Bergstrom --- drivers/gpu/nvgpu/clk/clk.h | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'drivers/gpu/nvgpu/clk/clk.h') diff --git a/drivers/gpu/nvgpu/clk/clk.h b/drivers/gpu/nvgpu/clk/clk.h index e24aada2..0d12ba7d 100644 --- a/drivers/gpu/nvgpu/clk/clk.h +++ b/drivers/gpu/nvgpu/clk/clk.h @@ -84,5 +84,13 @@ struct vbios_clocks_table_1x_hal_clock_entry { u32 clk_pmu_vf_inject(struct gk20a *g); u32 clk_pmu_vin_load(struct gk20a *g); +u32 clk_domain_print_vf_table(struct gk20a *g, u32 clkapidomain); +u32 clk_domain_get_f_or_v +( + struct gk20a *g, + u32 clkapidomain, + u16 *pclkmhz, + u32 *pvoltuv +); #endif -- cgit v1.2.2