[PATCH] drm: kirin: Enable COMPILE_TEST

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Use macros for 64-bit operations. This allows compile-testing this
driver on 32-bit arches, so enable it.

Signed-off-by: Sean Anderson <sean.anderson@xxxxxxxx>
---

 drivers/gpu/drm/hisilicon/kirin/Kconfig      |  2 +-
 drivers/gpu/drm/hisilicon/kirin/dw_drm_dsi.c | 10 +++++-----
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/hisilicon/kirin/Kconfig b/drivers/gpu/drm/hisilicon/kirin/Kconfig
index c5265675bf0c..0772f79567ef 100644
--- a/drivers/gpu/drm/hisilicon/kirin/Kconfig
+++ b/drivers/gpu/drm/hisilicon/kirin/Kconfig
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0-only
 config DRM_HISI_KIRIN
 	tristate "DRM Support for Hisilicon Kirin series SoCs Platform"
-	depends on DRM && OF && ARM64
+	depends on DRM && OF && (ARM64 || COMPILE_TEST)
 	select DRM_KMS_HELPER
 	select DRM_GEM_DMA_HELPER
 	select DRM_MIPI_DSI
diff --git a/drivers/gpu/drm/hisilicon/kirin/dw_drm_dsi.c b/drivers/gpu/drm/hisilicon/kirin/dw_drm_dsi.c
index d9978b79828c..1cfeffefd4b4 100644
--- a/drivers/gpu/drm/hisilicon/kirin/dw_drm_dsi.c
+++ b/drivers/gpu/drm/hisilicon/kirin/dw_drm_dsi.c
@@ -157,8 +157,8 @@ static u32 dsi_calc_phy_rate(u32 req_kHz, struct mipi_phy_params *phy)
 			q_pll = 0x10 >> (7 - phy->hstx_ckg_sel);
 
 		temp = f_kHz * (u64)q_pll * (u64)ref_clk_ps;
-		m_n_int = temp / (u64)1000000000;
-		m_n = (temp % (u64)1000000000) / (u64)100000000;
+		m_n_int = div_u64_rem(temp, 1000000000, &m_n);
+		m_n /= 100000000;
 
 		if (m_n_int % 2 == 0) {
 			if (m_n * 6 >= 50) {
@@ -229,8 +229,8 @@ static u32 dsi_calc_phy_rate(u32 req_kHz, struct mipi_phy_params *phy)
 			phy->pll_fbd_div5f = 1;
 		}
 
-		f_kHz = (u64)1000000000 * (u64)m_pll /
-			((u64)ref_clk_ps * (u64)n_pll * (u64)q_pll);
+		f_kHz = div64_u64((u64)1000000000 * (u64)m_pll,
+				  (u64)ref_clk_ps * (u64)n_pll * (u64)q_pll);
 
 		if (f_kHz >= req_kHz)
 			break;
@@ -490,7 +490,7 @@ static void dsi_set_mode_timing(void __iomem *base,
 	hsa_time = (hsw * lane_byte_clk_kHz) / pixel_clk_kHz;
 	hbp_time = (hbp * lane_byte_clk_kHz) / pixel_clk_kHz;
 	tmp = (u64)htot * (u64)lane_byte_clk_kHz;
-	hline_time = DIV_ROUND_UP(tmp, pixel_clk_kHz);
+	hline_time = DIV64_U64_ROUND_UP(tmp, pixel_clk_kHz);
 
 	/* all specified in byte-lane clocks */
 	writel(hsa_time, base + VID_HSA_TIME);
-- 
2.35.1.1320.gc452695387.dirty




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