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gpu: nvgpu: make pm config as platform data

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Make gpu power management  feature configurations
as platform data. Keep existing sttaus for gk20a
and disable all power features for gm20b.

Bug 1523728

Change-Id: Ife7786863f18e21b882ac77085c7abc7c84d4cfc
Signed-off-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: http://git-master/r/426369
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Supriya Sharatkumar <ssharatkumar@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
This commit is contained in:
Seshendra Gadagottu
2014-06-19 19:22:17 -07:00
committed by Dan Willemsen
parent 6838d9f05e
commit 6f492c3834
3 changed files with 45 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
drivers/gpu/nvgpu/gk20a/gk20a.c
View File

@@ -1455,14 +1455,18 @@ static int gk20a_probe(struct platform_device *dev)
if (tegra_platform_is_silicon())
gk20a->timeouts_enabled = true;
/* Set up initial clock gating settings */
if (tegra_platform_is_silicon()) {
gk20a->slcg_enabled = true;
gk20a->blcg_enabled = true;
gk20a->elcg_enabled = true;
gk20a->elpg_enabled = true;
gk20a->aelpg_enabled = true;
}
/* Set up initial power settings. For non-slicon platforms, disable *
* power features and for silicon platforms, read from platform data */
gk20a->slcg_enabled =
tegra_platform_is_silicon() ? platform->enable_slcg : false;
gk20a->blcg_enabled =
tegra_platform_is_silicon() ? platform->enable_blcg : false;
gk20a->elcg_enabled =
tegra_platform_is_silicon() ? platform->enable_elcg : false;
gk20a->elpg_enabled =
tegra_platform_is_silicon() ? platform->enable_elpg : false;
gk20a->aelpg_enabled =
tegra_platform_is_silicon() ? platform->enable_aelpg : false;
gk20a_create_sysfs(dev);

15
drivers/gpu/nvgpu/gk20a/platform_gk20a.h
View File

@@ -61,6 +61,21 @@ struct gk20a_platform {
/* Delay before clock gated */
int clockgate_delay;
/* Second Level Clock Gating: true = enable false = disable */
bool enable_slcg;
/* Block Level Clock Gating: true = enable flase = disable */
bool enable_blcg;
/* Engine Level Clock Gating: true = enable flase = disable */
bool enable_elcg;
/* Engine Level Power Gating: true = enable flase = disable */
bool enable_elpg;
/* Adaptative ELPG: true = enable flase = disable */
bool enable_aelpg;
/* Initialize the platform interface of the gk20a driver.
*
* The platform implementation of this function must

18
drivers/gpu/nvgpu/gk20a/platform_gk20a_tegra.c
View File

@@ -534,6 +534,12 @@ struct gk20a_platform t132_gk20a_tegra_platform = {
.railgate_delay = 500,
.clockgate_delay = 50,
.can_railgate = true,
.enable_slcg = true,
.enable_blcg = true,
.enable_elcg = true,
.enable_elpg = true,
.enable_aelpg = true,
.probe = gk20a_tegra_probe,
.late_probe = gk20a_tegra_late_probe,
@@ -562,6 +568,11 @@ struct gk20a_platform gk20a_tegra_platform = {
.railgate_delay = 500,
.clockgate_delay = 50,
.can_railgate = true,
.enable_slcg = true,
.enable_blcg = true,
.enable_elcg = true,
.enable_elpg = true,
.enable_aelpg = true,
.probe = gk20a_tegra_probe,
.late_probe = gk20a_tegra_late_probe,
@@ -589,6 +600,13 @@ struct gk20a_platform gm20b_tegra_platform = {
/* power management configuration */
.railgate_delay = 500,
.clockgate_delay = 50,
/* Disable all power features for gm20b */
.can_railgate = false,
.enable_slcg = false,
.enable_blcg = false,
.enable_elcg = false,
.enable_elpg = false,
.enable_aelpg = false,
.probe = gk20a_tegra_probe,
.late_probe = gk20a_tegra_late_probe,