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Mon, 25 Apr 2022 04:46:14 -0700 (PDT) Date: Mon, 25 Apr 2022 13:45:56 +0200 From: Ricardo Ribalda To: Laurent Pinchart Cc: linux-media@vger.kernel.org, Dafna Hirschfeld , Heiko Stuebner , Paul Elder , Tomasz Figa , linux-rockchip@lists.infradead.org Subject: Re: [PATCH v4 17/21] media: rkisp1: debug: Consolidate reg dumps for shadow registers Message-ID: References: <20220421234240.1694-1-laurent.pinchart@ideasonboard.com> <20220421234240.1694-18-laurent.pinchart@ideasonboard.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20220421234240.1694-18-laurent.pinchart@ideasonboard.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220425_044618_525977_F751BC9B X-CRM114-Status: GOOD ( 23.24 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org Laurent Pinchart wrote: > Extend the rkisp1_debug_register structure and the > rkisp1_debug_dump_regs() function to support shadow registers, and > replace the manual registers dump implementation in > rkisp1_debug_dump_rsz_regs_show() with a call to > rkisp1_debug_dump_regs(). > > Support for printing register values in decimal is dropped, as it was > actually confusing to print resizer register expressed as fixed-point > values in decimal. > > Signed-off-by: Laurent Pinchart Reviewed-by: Ricardo Ribalda > --- > .../platform/rockchip/rkisp1/rkisp1-debug.c | 83 ++++++++----------- > 1 file changed, 33 insertions(+), 50 deletions(-) > > diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-debug.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-debug.c > index d6cfbfaba3cb..2c226f20f525 100644 > --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-debug.c > +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-debug.c > @@ -19,16 +19,20 @@ > > struct rkisp1_debug_register { > u32 reg; > + u32 shd; > const char * const name; > }; > > -#define RKISP1_DEBUG_REG(name) { RKISP1_CIF_##name, #name } > +#define RKISP1_DEBUG_REG(name) { RKISP1_CIF_##name, 0, #name } > +#define RKISP1_DEBUG_SHD_REG(name) { \ > + RKISP1_CIF_##name, RKISP1_CIF_##name##_SHD, #name \ > +} > > -static int rkisp1_debug_dump_regs(struct seq_file *m, > +static int rkisp1_debug_dump_regs(struct rkisp1_device *rkisp1, > + struct seq_file *m, unsigned int offset, > const struct rkisp1_debug_register *regs) > { > - struct rkisp1_device *rkisp1 = m->private; > - u32 val; > + u32 val, shd; > int ret; > > ret = pm_runtime_get_if_in_use(rkisp1->dev); > @@ -36,8 +40,15 @@ static int rkisp1_debug_dump_regs(struct seq_file *m, > return ret ? : -ENODATA; > > for ( ; regs->name; ++regs) { > - val = rkisp1_read(rkisp1, regs->reg); > - seq_printf(m, "%14s: 0x%08x\n", regs->name, val); > + val = rkisp1_read(rkisp1, offset + regs->reg); > + > + if (regs->shd) { > + shd = rkisp1_read(rkisp1, offset + regs->shd); > + seq_printf(m, "%14s: 0x%08x/0x%08x\n", regs->name, > + val, shd); > + } else { > + seq_printf(m, "%14s: 0x%08x\n", regs->name, val); > + } > } > > pm_runtime_put(rkisp1->dev); > @@ -61,8 +72,9 @@ static int rkisp1_debug_dump_core_regs_show(struct seq_file *m, void *p) > RKISP1_DEBUG_REG(MI_DMA_STATUS), > { /* Sentinel */ }, > }; > + struct rkisp1_device *rkisp1 = m->private; > > - return rkisp1_debug_dump_regs(m, registers); > + return rkisp1_debug_dump_regs(rkisp1, m, 0, registers); > } > DEFINE_SHOW_ATTRIBUTE(rkisp1_debug_dump_core_regs); > > @@ -76,59 +88,30 @@ static int rkisp1_debug_dump_isp_regs_show(struct seq_file *m, void *p) > RKISP1_DEBUG_REG(ISP_ERR), > { /* Sentinel */ }, > }; > + struct rkisp1_device *rkisp1 = m->private; > > - return rkisp1_debug_dump_regs(m, registers); > + return rkisp1_debug_dump_regs(rkisp1, m, 0, registers); > } > DEFINE_SHOW_ATTRIBUTE(rkisp1_debug_dump_isp_regs); > > -#define RKISP1_DEBUG_RSZ_REG_DEC(name) { \ > - RKISP1_CIF_##name, RKISP1_CIF_##name##_SHD, #name, false \ > -} > - > -#define RKISP1_DEBUG_RSZ_REG_HEX(name) { \ > - RKISP1_CIF_##name, RKISP1_CIF_##name##_SHD, #name, true \ > -} > - > static int rkisp1_debug_dump_rsz_regs_show(struct seq_file *m, void *p) > { > - static const struct { > - u32 reg; > - u32 shadow; > - const char * const name; > - bool hex; > - } registers[] = { > - RKISP1_DEBUG_RSZ_REG_HEX(RSZ_CTRL), > - RKISP1_DEBUG_RSZ_REG_DEC(RSZ_SCALE_HY), > - RKISP1_DEBUG_RSZ_REG_DEC(RSZ_SCALE_HCB), > - RKISP1_DEBUG_RSZ_REG_DEC(RSZ_SCALE_HCR), > - RKISP1_DEBUG_RSZ_REG_DEC(RSZ_SCALE_VY), > - RKISP1_DEBUG_RSZ_REG_DEC(RSZ_SCALE_VC), > - RKISP1_DEBUG_RSZ_REG_DEC(RSZ_PHASE_HY), > - RKISP1_DEBUG_RSZ_REG_DEC(RSZ_PHASE_HC), > - RKISP1_DEBUG_RSZ_REG_DEC(RSZ_PHASE_VY), > - RKISP1_DEBUG_RSZ_REG_DEC(RSZ_PHASE_VC), > + static const struct rkisp1_debug_register registers[] = { > + RKISP1_DEBUG_SHD_REG(RSZ_CTRL), > + RKISP1_DEBUG_SHD_REG(RSZ_SCALE_HY), > + RKISP1_DEBUG_SHD_REG(RSZ_SCALE_HCB), > + RKISP1_DEBUG_SHD_REG(RSZ_SCALE_HCR), > + RKISP1_DEBUG_SHD_REG(RSZ_SCALE_VY), > + RKISP1_DEBUG_SHD_REG(RSZ_SCALE_VC), > + RKISP1_DEBUG_SHD_REG(RSZ_PHASE_HY), > + RKISP1_DEBUG_SHD_REG(RSZ_PHASE_HC), > + RKISP1_DEBUG_SHD_REG(RSZ_PHASE_VY), > + RKISP1_DEBUG_SHD_REG(RSZ_PHASE_VC), > { /* Sentinel */ }, > }; > - > struct rkisp1_resizer *rsz = m->private; > - typeof(registers[0]) *reg; > - u32 val, shd; > - int ret; > > - ret = pm_runtime_get_if_in_use(rsz->rkisp1->dev); > - if (ret <= 0) > - return ret ? : -ENODATA; > - > - for (reg = registers; reg->name; ++reg) { > - val = rkisp1_read(rsz->rkisp1, rsz->regs_base + reg->reg); > - shd = rkisp1_read(rsz->rkisp1, rsz->regs_base + reg->shadow); > - seq_printf(m, reg->hex ? "%14s: 0x%08x/0x%08x\n" : "%14s: %u/%u\n", > - reg->name, val, shd); > - } > - > - pm_runtime_put(rsz->rkisp1->dev); > - > - return 0; > + return rkisp1_debug_dump_regs(rsz->rkisp1, m, rsz->regs_base, registers); > } > DEFINE_SHOW_ATTRIBUTE(rkisp1_debug_dump_rsz_regs); > > -- > Regards, > > Laurent Pinchart > > _______________________________________________ Linux-rockchip mailing list Linux-rockchip@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-rockchip