gpu: nvgpu: gp106: fix scaling for mclk

Change mclk scaling factor from 2 to 4, as we use dramdiv4 to
measure effective frequency.

Bug 2212598

Change-Id: I154a74712dbedf315f755ee51f75a06795841a1c
Reviewed-on: https://git-master.nvidia.com/r/1761896
(cherry picked from commit 35e26a5165ac08f783420343262e05e1d6d82996)
Signed-off-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1762345
Reviewed-by: Richard Zhao <rizhao@nvidia.com>
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/gpu/nvgpu/gp106/clk_gp106.c b/drivers/gpu/nvgpu/gp106/clk_gp106.c
index 07e281a5..2c529e52 100644
--- a/drivers/gpu/nvgpu/gp106/clk_gp106.c
+++ b/drivers/gpu/nvgpu/gp106/clk_gp106.c
@@ -156,8 +156,8 @@ int gp106_init_clk_support(struct gk20a *g)
                         .reg_ctrl_idx  = trim_fbpa_bcast_clk_cntr_ncltcclk_cfg_source_dramdiv4_rec_clk1_f(),
                         .reg_cntr_addr = trim_fbpa_bcast_clk_cntr_ncltcclk_cnt_r()
                 },
-                .name = "dramdiv2_rec_clk1",
-                .scale = 2
+                .name = "dramdiv4_rec_clk1",
+                .scale = 4
         };
         clk->namemap_xlat_table[3] = CTRL_CLK_DOMAIN_MCLK;