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Message-Id: <20210829203027.276143-3-marijn.suijten@somainline.org>
Date: Sun, 29 Aug 2021 22:30:26 +0200
From: Marijn Suijten <marijn.suijten@...ainline.org>
To: phone-devel@...r.kernel.org
Cc: ~postmarketos/upstreaming@...ts.sr.ht,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@...ainline.org>,
Konrad Dybcio <konrad.dybcio@...ainline.org>,
Martin Botka <martin.botka@...ainline.org>,
Jami Kettunen <jami.kettunen@...ainline.org>,
Pavel Dubrova <pashadubrova@...il.com>,
Marijn Suijten <marijn.suijten@...ainline.org>,
Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
Bjorn Andersson <bjorn.andersson@...aro.org>,
Rob Clark <robdclark@...il.com>, Sean Paul <sean@...rly.run>,
David Airlie <airlied@...ux.ie>,
Daniel Vetter <daniel@...ll.ch>,
Abhinav Kumar <abhinavk@...eaurora.org>,
Jonathan Marek <jonathan@...ek.ca>,
linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org,
freedreno@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: [PATCH 2/3] drm/msm/dsi: Use "ref" fw clock instead of global name for VCO parent
All DSI PHY/PLL drivers were referencing their VCO parent clock by a
global name, most of which don't exist or have been renamed. These
clock drivers seem to function fine without that except the 14nm driver
for the sdm6xx [1].
At the same time all DTs provide a "ref" clock as per the requirements
of dsi-phy-common.yaml, but the clock is never used. This patchset puts
that clock to use without relying on a global clock name, so that all
dependencies are explicitly defined in DT (the firmware) in the end.
[1]: https://lore.kernel.org/linux-arm-msm/386db1a6-a1cd-3c7d-a88e-dc83f8a1be96@somainline.org/
Cc: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Cc: Bjorn Andersson <bjorn.andersson@...aro.org>
Signed-off-by: Marijn Suijten <marijn.suijten@...ainline.org>
---
drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c | 4 +++-
drivers/gpu/drm/msm/dsi/phy/dsi_phy_14nm.c | 4 +++-
drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c | 4 +++-
drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm_8960.c | 4 +++-
drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c | 4 +++-
5 files changed, 15 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c
index e46b10fc793a..3cbb1f1475e8 100644
--- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c
@@ -562,7 +562,9 @@ static int pll_10nm_register(struct dsi_pll_10nm *pll_10nm, struct clk_hw **prov
char clk_name[32], parent[32], vco_name[32];
char parent2[32], parent3[32], parent4[32];
struct clk_init_data vco_init = {
- .parent_names = (const char *[]){ "xo" },
+ .parent_data = &(const struct clk_parent_data) {
+ .fw_name = "ref",
+ },
.num_parents = 1,
.name = vco_name,
.flags = CLK_IGNORE_UNUSED,
diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_14nm.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_14nm.c
index bb31230721bd..406470265408 100644
--- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_14nm.c
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_14nm.c
@@ -804,7 +804,9 @@ static int pll_14nm_register(struct dsi_pll_14nm *pll_14nm, struct clk_hw **prov
{
char clk_name[32], parent[32], vco_name[32];
struct clk_init_data vco_init = {
- .parent_names = (const char *[]){ "xo" },
+ .parent_data = &(const struct clk_parent_data) {
+ .fw_name = "ref",
+ },
.num_parents = 1,
.name = vco_name,
.flags = CLK_IGNORE_UNUSED,
diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c
index 2da673a2add6..8ee9c9c0548d 100644
--- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c
@@ -521,7 +521,9 @@ static int pll_28nm_register(struct dsi_pll_28nm *pll_28nm, struct clk_hw **prov
{
char clk_name[32], parent1[32], parent2[32], vco_name[32];
struct clk_init_data vco_init = {
- .parent_names = (const char *[]){ "xo" },
+ .parent_data = &(const struct clk_parent_data) {
+ .fw_name = "ref",
+ },
.num_parents = 1,
.name = vco_name,
.flags = CLK_IGNORE_UNUSED,
diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm_8960.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm_8960.c
index aaa37456f4ee..9662cb236468 100644
--- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm_8960.c
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm_8960.c
@@ -385,7 +385,9 @@ static int pll_28nm_register(struct dsi_pll_28nm *pll_28nm, struct clk_hw **prov
{
char *clk_name, *parent_name, *vco_name;
struct clk_init_data vco_init = {
- .parent_names = (const char *[]){ "pxo" },
+ .parent_data = &(const struct clk_parent_data) {
+ .fw_name = "ref",
+ },
.num_parents = 1,
.flags = CLK_IGNORE_UNUSED,
.ops = &clk_ops_dsi_pll_28nm_vco,
diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c
index 7c23d4c47338..c77c30628cca 100644
--- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c
@@ -590,7 +590,9 @@ static int pll_7nm_register(struct dsi_pll_7nm *pll_7nm, struct clk_hw **provide
char clk_name[32], parent[32], vco_name[32];
char parent2[32], parent3[32], parent4[32];
struct clk_init_data vco_init = {
- .parent_names = (const char *[]){ "bi_tcxo" },
+ .parent_data = &(const struct clk_parent_data) {
+ .fw_name = "ref",
+ },
.num_parents = 1,
.name = vco_name,
.flags = CLK_IGNORE_UNUSED,
--
2.33.0
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