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2e715fb4fc
Add support for BCM2712 (Raspberry Pi 5).
3bb5880ab3
Patches were generated from the diff between linux kernel branch linux-6.1.y
and rpi-6.1.y from raspberry pi kernel source:
- git format-patch linux-6.1.y...rpi-6.1.y
Build system: x86_64
Build-tested: bcm2708, bcm2709, bcm2710, bcm2711
Run-tested: bcm2710/RPi3B, bcm2711/RPi4B
Signed-off-by: Marty Jones <mj8263788@gmail.com>
[Remove applied and reverted patches, squash patches and config commits]
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
97 lines
3.2 KiB
Diff
97 lines
3.2 KiB
Diff
From 65407c54fb4119e528b70b329448269657e0941e Mon Sep 17 00:00:00 2001
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From: Naushir Patuck <naush@raspberrypi.com>
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Date: Wed, 8 Nov 2023 10:05:05 +0000
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Subject: [PATCH] drivers: media: cfe: Don't confuse MHz and Mbps
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The driver was interchaning these units when talking about link rate.
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Fix this to avoid confusion. Apart from the logging message change,
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there is no function change in this commit.
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Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
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---
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drivers/media/platform/raspberrypi/rp1_cfe/cfe.c | 8 ++++----
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drivers/media/platform/raspberrypi/rp1_cfe/dphy.c | 10 +++++-----
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drivers/media/platform/raspberrypi/rp1_cfe/dphy.h | 2 +-
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3 files changed, 10 insertions(+), 10 deletions(-)
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--- a/drivers/media/platform/raspberrypi/rp1_cfe/cfe.c
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+++ b/drivers/media/platform/raspberrypi/rp1_cfe/cfe.c
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@@ -983,7 +983,7 @@ static void cfe_buffer_queue(struct vb2_
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spin_unlock_irqrestore(&cfe->state_lock, flags);
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}
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-static u64 sensor_link_frequency(struct cfe_device *cfe)
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+static u64 sensor_link_rate(struct cfe_device *cfe)
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{
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struct v4l2_mbus_framefmt *source_fmt;
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struct v4l2_subdev_state *state;
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@@ -1028,11 +1028,11 @@ static u64 sensor_link_frequency(struct
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/* x2 for DDR. */
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link_freq *= 2;
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- cfe_info("Using a link frequency of %lld Hz\n", link_freq);
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+ cfe_info("Using a link rate of %lld Mbps\n", link_freq / (1000 * 1000));
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return link_freq;
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err:
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- cfe_err("Unable to determine sensor link frequency, using 999 MHz\n");
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+ cfe_err("Unable to determine sensor link rate, using 999 Mbps\n");
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return 999 * 1000000UL;
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}
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@@ -1104,7 +1104,7 @@ static int cfe_start_streaming(struct vb
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}
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cfe_dbg("Configuring CSI-2 block\n");
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- cfe->csi2.dphy.dphy_freq = sensor_link_frequency(cfe) / 1000000UL;
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+ cfe->csi2.dphy.dphy_rate = sensor_link_rate(cfe) / 1000000UL;
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csi2_open_rx(&cfe->csi2);
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cfe_dbg("Starting sensor streaming\n");
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--- a/drivers/media/platform/raspberrypi/rp1_cfe/dphy.c
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+++ b/drivers/media/platform/raspberrypi/rp1_cfe/dphy.c
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@@ -96,7 +96,7 @@ static uint8_t dphy_transaction(struct d
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return get_tstdout(dphy);
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}
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-static void dphy_set_hsfreqrange(struct dphy_data *dphy, uint32_t freq_mhz)
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+static void dphy_set_hsfreqrange(struct dphy_data *dphy, uint32_t mbps)
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{
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/* See Table 5-1 on page 65 of dphy databook */
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static const u16 hsfreqrange_table[][2] = {
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@@ -116,11 +116,11 @@ static void dphy_set_hsfreqrange(struct
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};
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unsigned int i;
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- if (freq_mhz < 80 || freq_mhz > 1500)
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- dphy_err("DPHY: Frequency %u MHz out of range\n", freq_mhz);
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+ if (mbps < 80 || mbps > 1500)
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+ dphy_err("DPHY: Datarate %u Mbps out of range\n", mbps);
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for (i = 0; i < ARRAY_SIZE(hsfreqrange_table) - 1; i++) {
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- if (freq_mhz <= hsfreqrange_table[i][0])
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+ if (mbps <= hsfreqrange_table[i][0])
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break;
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}
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@@ -139,7 +139,7 @@ static void dphy_init(struct dphy_data *
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set_tstclr(dphy, 0);
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usleep_range(15, 20);
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- dphy_set_hsfreqrange(dphy, dphy->dphy_freq);
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+ dphy_set_hsfreqrange(dphy, dphy->dphy_rate);
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usleep_range(5, 10);
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dw_csi2_host_write(dphy, PHY_SHUTDOWNZ, 1);
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--- a/drivers/media/platform/raspberrypi/rp1_cfe/dphy.h
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+++ b/drivers/media/platform/raspberrypi/rp1_cfe/dphy.h
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@@ -15,7 +15,7 @@ struct dphy_data {
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void __iomem *base;
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- u32 dphy_freq;
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+ u32 dphy_rate;
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u32 num_lanes;
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};
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